...it's like TV Tropes, but LINKED DATA!
Murder Makes You Crazy
- 165 statements
- 31 feature instances
- 34 referencing feature instances
| Murder Makes You Crazy | type |
FeatureClass | |
| Murder Makes You Crazy | label |
Murder Makes You Crazy | |
| Murder Makes You Crazy | page |
MurderMakesYouCrazy | |
| Murder Makes You Crazy | comment |
Normally, in Real Life (although there may be exceptions), a person is already crazy and/or violent before they contemplate murder. In television, however, circumstances will cause you to commit murder, and then you keep killing. No, this trope is not about murder where you have to keep killing in order to "hide the evidence". Instead, it's about murder actually warping the mind, most often because of the guilt, shame, and horror that sets in as one processes the murder they just committed. However, there are also times when a character's mind breaks because they've come to the realization that they quite liked killing. Usually, this involves some lead-up event where they are sane but have decided to kill from being put into a situation where, unless they are an Actual Pacifist with a knack for taking third options, they will practically be forced to murder because of a no-win situation. After doing the actual murder, however, the act drives them to insanity. The difference between this and a normal Face–Heel Turn is that this usually follows excessive amounts of guilt and gloom, and results not in evil, but rather madness. Still, it can probably be viewed as a sister trope. Likewise for Slowly Slipping Into Evil, since it isn't evil you slip into, but rather madness. Compare and contrast Love Makes You Crazy. Related to It Gets Easier, Sanity Slippage, and possibly Shell-Shocked Veteran. Frequently is accompanied by Scrubbing Off the Trauma and can lead to one becoming Ax-Crazy. As this is a Death Trope, unmarked spoilers abound. Beware. |
|
| Murder Makes You Crazy | fetched |
2023-11-14T04:46:13Z | |
| Murder Makes You Crazy | parsed |
2023-11-14T04:46:13Z | |
| Murder Makes You Crazy | processingComment |
Dropped link to MemoryGambit: Not an Item - FEATURE | |
| Murder Makes You Crazy | processingComment |
Dropped link to WorldOfDarkness: Not an Item - UNKNOWN | |
| Murder Makes You Crazy | processingUnknown |
WorldOfDarkness | |
| Murder Makes You Crazy | isPartOf |
DBTropes | |
| Murder Makes You Crazy / int_1331990c | type |
Murder Makes You Crazy | |
| Murder Makes You Crazy / int_1331990c | comment |
Puella Magi Madoka Magica: In the manga (but not the anime), Sayaka's final straw is her murder of two random misogynistic guys who, all things considered, didn't really deserve being killed in cold blood. By her own admission, she is such a fool. | |
| Murder Makes You Crazy / int_1331990c | featureApplicability |
1.0 | |
| Murder Makes You Crazy / int_1331990c | featureConfidence |
1.0 | |
| Puella Magi Madoka Magica | hasFeature |
Murder Makes You Crazy / int_1331990c | |
| Murder Makes You Crazy / int_2a8d8e6f | type |
Murder Makes You Crazy | |
| Murder Makes You Crazy / int_2a8d8e6f | comment |
Ed Nygma in Gotham was initially decidedly eccentric and even a little creepy at times, but nothing worse than that. After a confrontation with his crush's abusive boyfriend ended in Ed stabbing the guy, he began showing signs of Sanity Slippage. | |
| Murder Makes You Crazy / int_2a8d8e6f | featureApplicability |
1.0 | |
| Murder Makes You Crazy / int_2a8d8e6f | featureConfidence |
1.0 | |
| Gotham | hasFeature |
Murder Makes You Crazy / int_2a8d8e6f | |
| Murder Makes You Crazy / int_2c082d05 | type |
Murder Makes You Crazy | |
| Murder Makes You Crazy / int_2c082d05 | comment |
Friday the 13th: After killing Jason in The Final Chapter, Tommy Jarvis spends years in and out of various mental institutions due to the trauma. | |
| Murder Makes You Crazy / int_2c082d05 | featureApplicability |
1.0 | |
| Murder Makes You Crazy / int_2c082d05 | featureConfidence |
1.0 | |
| Friday the 13th (Franchise) | hasFeature |
Murder Makes You Crazy / int_2c082d05 | |
| Murder Makes You Crazy / int_30cf38e0 | type |
Murder Makes You Crazy | |
| Murder Makes You Crazy / int_30cf38e0 | comment |
Evil Dead 2: Ash, after being attacked by his possessed girlfriend Linda. | |
| Murder Makes You Crazy / int_30cf38e0 | featureApplicability |
1.0 | |
| Murder Makes You Crazy / int_30cf38e0 | featureConfidence |
1.0 | |
| Evil Dead 2 | hasFeature |
Murder Makes You Crazy / int_30cf38e0 | |
| Murder Makes You Crazy / int_3b34143f | type |
Murder Makes You Crazy | |
| Murder Makes You Crazy / int_3b34143f | comment |
In the Harry Potter series, committing murder tears the soul. The soul can heal from this, provided both pieces are left next to each other. However, Dark wizards have been known to exploit this soul-tearing by using it to make Horcruxes. | |
| Murder Makes You Crazy / int_3b34143f | featureApplicability |
1.0 | |
| Murder Makes You Crazy / int_3b34143f | featureConfidence |
1.0 | |
| Harry Potter | hasFeature |
Murder Makes You Crazy / int_3b34143f | |
| Murder Makes You Crazy / int_3c1f955d | type |
Murder Makes You Crazy | |
| Murder Makes You Crazy / int_3c1f955d | comment |
Every time you kill someone in Yandere Simulator, you lose Sanity. Lose too much Sanity without an effort to regain it, and people won't want to deal with you — least of all Senpai. This only partially fits the trope, since by Word of God, Yandere-chan was already insane. The 'Sanity' meter just tracks how well she can keep on her Mask of Sanity. | |
| Murder Makes You Crazy / int_3c1f955d | featureApplicability |
1.0 | |
| Murder Makes You Crazy / int_3c1f955d | featureConfidence |
1.0 | |
| Yandere Simulator (Video Game) | hasFeature |
Murder Makes You Crazy / int_3c1f955d | |
| Murder Makes You Crazy / int_3e8c09b9 | type |
Murder Makes You Crazy | |
| Murder Makes You Crazy / int_3e8c09b9 | comment |
Reiner Braun from Attack on Titan is driven insane by the guilt of having committed mass murder, developing a Double Consciousness in order to keep going. In particular, the murder of Marco Bott to protect their secret causes him to completely break down, immediately lapsing into a Dissociative state and pleading to know why their friend is being eaten. | |
| Murder Makes You Crazy / int_3e8c09b9 | featureApplicability |
1.0 | |
| Murder Makes You Crazy / int_3e8c09b9 | featureConfidence |
1.0 | |
| Attack on Titan (Manga) | hasFeature |
Murder Makes You Crazy / int_3e8c09b9 | |
| Murder Makes You Crazy / int_4141af74 | type |
Murder Makes You Crazy | |
| Murder Makes You Crazy / int_4141af74 | comment |
Yuno Gasai of Future Diary is probably the Trope Codifier. Not only is she pretty much the poster girl for Yandere, but her entire issues can be pinpointed exactly to the point where she lost it, snapped on her parents for their abusive and controlling behavior, and killed them. In fact, in a version of the past where she didn't do this, she recovered and became a hopeful and optimistic girl. | |
| Murder Makes You Crazy / int_4141af74 | featureApplicability |
1.0 | |
| Murder Makes You Crazy / int_4141af74 | featureConfidence |
1.0 | |
| Future Diary (Manga) | hasFeature |
Murder Makes You Crazy / int_4141af74 | |
| Murder Makes You Crazy / int_41b0198a | type |
Murder Makes You Crazy | |
| Murder Makes You Crazy / int_41b0198a | comment |
Used in The Dresden Files and the reason for the First Rule — magic is an expression of will given form, so using it to kill someone is particularly warping and even addictive. Non-magical killing doesn't cause this, though Harry confesses in one book that he's haunted by having to execute two people, and fears that this makes him a monster as well. | |
| Murder Makes You Crazy / int_41b0198a | featureApplicability |
1.0 | |
| Murder Makes You Crazy / int_41b0198a | featureConfidence |
1.0 | |
| The Dresden Files | hasFeature |
Murder Makes You Crazy / int_41b0198a | |
| Murder Makes You Crazy / int_514489e5 | type |
Murder Makes You Crazy | |
| Murder Makes You Crazy / int_514489e5 | comment |
Crime and Punishment: Raskolnikov grows increasingly deranged after committing murder. It is only when he has his Heel Realization and decides to confess that he calms down, and even then it takes until the Distant Finale for him to finally find peace. | |
| Murder Makes You Crazy / int_514489e5 | featureApplicability |
1.0 | |
| Murder Makes You Crazy / int_514489e5 | featureConfidence |
1.0 | |
| Crime and Punishment | hasFeature |
Murder Makes You Crazy / int_514489e5 | |
| Murder Makes You Crazy / int_573cc59a | type |
Murder Makes You Crazy | |
| Murder Makes You Crazy / int_573cc59a | comment |
In A Cruel God Reigns, Jeremy suffers multiple nervous break-downs, hallucinations, and becomes a drug-addicted prostitute as an after effect of killing his step-father and his mother (although his mother was an accident). | |
| Murder Makes You Crazy / int_573cc59a | featureApplicability |
1.0 | |
| Murder Makes You Crazy / int_573cc59a | featureConfidence |
1.0 | |
| A Cruel God Reigns (Manga) | hasFeature |
Murder Makes You Crazy / int_573cc59a | |
| Murder Makes You Crazy / int_58808436 | type |
Murder Makes You Crazy | |
| Murder Makes You Crazy / int_58808436 | comment |
Higurashi: When They Cry: Keiichi and Rena, after killing Teppei and Rina, respectively. Shion's first kill was actually an accident, since she wanted to interrogate Oryou about Satoshi. Afterwards, she realizes there's no turning back now, which makes her grow increasingly paranoid and unstable. Ironically, she might have convinced Shion had she survived, because Mion admitted that she herself nearly killed her grandmother in anger after Satoshi disappeared but Oryou managed to convince her that the Sonozakis were innocent. | |
| Murder Makes You Crazy / int_58808436 | featureApplicability |
1.0 | |
| Murder Makes You Crazy / int_58808436 | featureConfidence |
1.0 | |
| Higurashi: When They Cry (Visual Novel) | hasFeature |
Murder Makes You Crazy / int_58808436 | |
| Murder Makes You Crazy / int_5bde583f | type |
Murder Makes You Crazy | |
| Murder Makes You Crazy / int_5bde583f | comment |
In Shi ni Aruki, Sou Aoya killed his adopted sister Ai's Abusive Parents, then becae convinced that he's a monster who had to drink the blood of "pure" people to purify himself. Even Tokiko, who has a disturbingly calm attitude to the death that seems to follow you, is appalled at his mindset. | |
| Murder Makes You Crazy / int_5bde583f | featureApplicability |
1.0 | |
| Murder Makes You Crazy / int_5bde583f | featureConfidence |
1.0 | |
| Shi ni Aruki (Manga) | hasFeature |
Murder Makes You Crazy / int_5bde583f | |
| Murder Makes You Crazy / int_656a52a9 | type |
Murder Makes You Crazy | |
| Murder Makes You Crazy / int_656a52a9 | comment |
In Fahrenheit, Lucas thinks that he is going crazy after (unwillingly) murdering, a man but it is later revealed that his mind has been manipulated and damaged by one of the villains all along. | |
| Murder Makes You Crazy / int_656a52a9 | featureApplicability |
1.0 | |
| Murder Makes You Crazy / int_656a52a9 | featureConfidence |
1.0 | |
| Fahrenheit (Video Game) | hasFeature |
Murder Makes You Crazy / int_656a52a9 | |
| Murder Makes You Crazy / int_6f818923 | type |
Murder Makes You Crazy | |
| Murder Makes You Crazy / int_6f818923 | comment |
This is part of the sanity-tracking game mechanics of Lone Survivor. Killing mutants might be the most expedient way of getting past them, but it has a negative effect on your score, and the more you kill, the worse it gets. | |
| Murder Makes You Crazy / int_6f818923 | featureApplicability |
1.0 | |
| Murder Makes You Crazy / int_6f818923 | featureConfidence |
1.0 | |
| Lone Survivor (Video Game) | hasFeature |
Murder Makes You Crazy / int_6f818923 | |
| Murder Makes You Crazy / int_8125b468 | type |
Murder Makes You Crazy | |
| Murder Makes You Crazy / int_8125b468 | comment |
More than one writer has cited this trope as a reason behind Batman's Technical Pacifist stance. He fears he is so close to the ragged edge of sanity already that if he starts killing anyone, he will not be able to stop. In one alternate universe shown in Countdown to Final Crisis, he kills The Joker and then decides he might as well kill every other supervillain — and succeeds. In Batman Vampire, after being vampirized by Dracula, Batman reflects at one point that should he succumb to his bloodlust even once, he'll become a monster just like the Count. Ultimately downplayed; draining the Joker got the ball rolling, but it was the months he spent in a false death rotting that sent Batman over the edge. |
|
| Murder Makes You Crazy / int_8125b468 | featureApplicability |
1.0 | |
| Murder Makes You Crazy / int_8125b468 | featureConfidence |
1.0 | |
| Batman (Franchise) | hasFeature |
Murder Makes You Crazy / int_8125b468 | |
| Murder Makes You Crazy / int_89ce309d | type |
Murder Makes You Crazy | |
| Murder Makes You Crazy / int_89ce309d | comment |
Both Macbeth and his wife have this happen to them after their murder of Duncan. | |
| Murder Makes You Crazy / int_89ce309d | featureApplicability |
1.0 | |
| Murder Makes You Crazy / int_89ce309d | featureConfidence |
1.0 | |
| Macbeth (Theatre) | hasFeature |
Murder Makes You Crazy / int_89ce309d | |
| Murder Makes You Crazy / int_8ba4613a | type |
Murder Makes You Crazy | |
| Murder Makes You Crazy / int_8ba4613a | comment |
Light Yagami of Death Note. He's an ordinary school student until he writes the first name in the titular Artifact of Doom. After that, he develops delusions of grandeur and wants to cleanse the world of evil (leaving himself as the only evil person, as Ryuuk points out; Light is already too into his delusions of being a god of justice to understand that). In the manga, the reader first sees how Light has already killed numerous targets before flashing back to his first kill for maximum shock value and to show how far he has already fallen in such a short time. Later Light pulls a Memory Gambit, forgetting that he's Kira and reverting to his personality before receiving the Death Note. This Light is brilliant but innocent, and completely horrified by the possibility that he could be a killer. Thus highlighting again just how quickly he snapped after killing for the first time. |
|
| Murder Makes You Crazy / int_8ba4613a | featureApplicability |
1.0 | |
| Murder Makes You Crazy / int_8ba4613a | featureConfidence |
1.0 | |
| Death Note (Manga) | hasFeature |
Murder Makes You Crazy / int_8ba4613a | |
| Murder Makes You Crazy / int_8df5521b | type |
Murder Makes You Crazy | |
| Murder Makes You Crazy / int_8df5521b | comment |
In the Post-Crisis universe, Superman is forced to kill three Kryptonian criminals that wiped out an alternate version of Earth. Since there are no longer any officials to sentence them on their world, no legal precedent that would let them be imprisoned in his world, and they have already vowed to find some way to regain their powers and go after him in revenge, Superman appoints himself Judge, Jury, and Executioner and uses kryptonite (immune to it himself as this was kryptonite from a different universe) to kill them. Superman was later so emotionally disturbed about this that he developed a Split Personality which took the form of an extreme '90s Anti-Hero, temporarily abandoning Earth until he was helped to see that he only sinned in the cause of justice under extreme circumstances. | |
| Murder Makes You Crazy / int_8df5521b | featureApplicability |
1.0 | |
| Murder Makes You Crazy / int_8df5521b | featureConfidence |
1.0 | |
| Superman (Comic Book) | hasFeature |
Murder Makes You Crazy / int_8df5521b | |
| Murder Makes You Crazy / int_a8270c5 | type |
Murder Makes You Crazy | |
| Murder Makes You Crazy / int_a8270c5 | comment |
Sweeney Todd: The Demon Barber of Fleet Street both plays this trope straight and subverts it; although the trigger for Sweeney's crowning moment of crazy is the Judge escaping before "Epiphany", Sweeney has already been forced to kill Pirelli, an Asshole Victim who tried to blackmail him, but was thoroughly unrelated to his initial reason for revenge. His descent from a single-minded vigilante out for revenge to a raging psychopath willing to kill anybody arguably comes about as a result of the earlier kill, in that he's already begun killing men who aren't responsible for ruining his life. | |
| Murder Makes You Crazy / int_a8270c5 | featureApplicability |
1.0 | |
| Murder Makes You Crazy / int_a8270c5 | featureConfidence |
1.0 | |
| Sweeney Todd: The Demon Barber of Fleet Street | hasFeature |
Murder Makes You Crazy / int_a8270c5 | |
| Murder Makes You Crazy / int_bd61868d | type |
Murder Makes You Crazy | |
| Murder Makes You Crazy / int_bd61868d | comment |
In Batman Vampire, after being vampirized by Dracula, Batman reflects at one point that should he succumb to his bloodlust even once, he'll become a monster just like the Count. Ultimately downplayed; draining the Joker got the ball rolling, but it was the months he spent in a false death rotting that sent Batman over the edge. | |
| Murder Makes You Crazy / int_bd61868d | featureApplicability |
1.0 | |
| Murder Makes You Crazy / int_bd61868d | featureConfidence |
1.0 | |
| Batman Vampire (Comic Book) | hasFeature |
Murder Makes You Crazy / int_bd61868d | |
| Murder Makes You Crazy / int_c357fe92 | type |
Murder Makes You Crazy | |
| Murder Makes You Crazy / int_c357fe92 | comment |
Springhole: Brought up in the respective articles on mental illness and murder to point out the trope is nonsense. Assuming someone wasn’t already prone to committing violence without remorse, a person who lashed out and actually killed someone would be far more likely to end up traumatized and wracked with guilt. | |
| Murder Makes You Crazy / int_c357fe92 | featureApplicability |
1.0 | |
| Murder Makes You Crazy / int_c357fe92 | featureConfidence |
1.0 | |
| Springhole (Website) | hasFeature |
Murder Makes You Crazy / int_c357fe92 | |
| Murder Makes You Crazy / int_c43df4d8 | type |
Murder Makes You Crazy | |
| Murder Makes You Crazy / int_c43df4d8 | comment |
In Doctor Who, The Doctor tries to advise his daughter grown in a military cloning device as a soldier that violence is not the answer. There have been more than a few times where people go What the Hell, Hero? to the Doctor, so he's definitely speaking from experience. After the Time War he knows, really knows, how killing can mess up the killer. | |
| Murder Makes You Crazy / int_c43df4d8 | featureApplicability |
1.0 | |
| Murder Makes You Crazy / int_c43df4d8 | featureConfidence |
1.0 | |
| Doctor Who | hasFeature |
Murder Makes You Crazy / int_c43df4d8 | |
| Murder Makes You Crazy / int_ce9bf544 | type |
Murder Makes You Crazy | |
| Murder Makes You Crazy / int_ce9bf544 | comment |
When playing as Hibiki in The Last Blade 2, repeatedly using Finishing Moves will eventually result in her going Ax-Crazy. The same goes for her stint as a Guest Fighter in Samurai Shodown (2019). | |
| Murder Makes You Crazy / int_ce9bf544 | featureApplicability |
1.0 | |
| Murder Makes You Crazy / int_ce9bf544 | featureConfidence |
1.0 | |
| The Last Blade (Video Game) | hasFeature |
Murder Makes You Crazy / int_ce9bf544 | |
| Murder Makes You Crazy / int_cfebe6a7 | type |
Murder Makes You Crazy | |
| Murder Makes You Crazy / int_cfebe6a7 | comment |
In Cage of Eden, this is what breaks the ace, Kouhei, combined with a series of misunderstandings and some light brain damage. | |
| Murder Makes You Crazy / int_cfebe6a7 | featureApplicability |
1.0 | |
| Murder Makes You Crazy / int_cfebe6a7 | featureConfidence |
1.0 | |
| Cage of Eden (Manga) | hasFeature |
Murder Makes You Crazy / int_cfebe6a7 | |
| Murder Makes You Crazy / int_db30cf92 | type |
Murder Makes You Crazy | |
| Murder Makes You Crazy / int_db30cf92 | comment |
Hollyleaf in Warrior Cats goes mentally downhill after killing Ashfur to preserve the secret of her true parentage, though part of this is her feelings of betrayal and being born a crime stemming from that parentage reveal. By the end of her breakdown, she ends up revealing the secret to everyone despite killing to keep it. | |
| Murder Makes You Crazy / int_db30cf92 | featureApplicability |
1.0 | |
| Murder Makes You Crazy / int_db30cf92 | featureConfidence |
1.0 | |
| Warrior Cats | hasFeature |
Murder Makes You Crazy / int_db30cf92 | |
| Murder Makes You Crazy / int_e293455a | type |
Murder Makes You Crazy | |
| Murder Makes You Crazy / int_e293455a | comment |
Buffy the Vampire Slayer: Faith starts to go off the deep end after she kills a man who she thought was a vampire. Angel later tries to help her come around by establishing common ground. He calls the ability to kill without remorse the ultimate freedom, and a freedom that will drive anyone mad. And of course he's talking from experience. | |
| Murder Makes You Crazy / int_e293455a | featureApplicability |
1.0 | |
| Murder Makes You Crazy / int_e293455a | featureConfidence |
1.0 | |
| Buffy the Vampire Slayer | hasFeature |
Murder Makes You Crazy / int_e293455a | |
| Murder Makes You Crazy / int_ea60ecae | type |
Murder Makes You Crazy | |
| Murder Makes You Crazy / int_ea60ecae | comment |
Falkland’s life goes decidedly downhill after he murders Tyrrel in Caleb Williams. He goes from being the most popular squire in his county to a man who avoids even his servants, and goes wandering at night in stormy weather. | |
| Murder Makes You Crazy / int_ea60ecae | featureApplicability |
1.0 | |
| Murder Makes You Crazy / int_ea60ecae | featureConfidence |
1.0 | |
| CalebWilliams | hasFeature |
Murder Makes You Crazy / int_ea60ecae | |
| Murder Makes You Crazy / int_f0c816fb | type |
Murder Makes You Crazy | |
| Murder Makes You Crazy / int_f0c816fb | comment |
As of season 5 of Breaking Bad, creator Vince Gilligan has stated, "The new Walt lives in a power vacuum created by the death of Gus Fring." Given his actions before the death of Gus Fring, this is really saying something. | |
| Murder Makes You Crazy / int_f0c816fb | featureApplicability |
1.0 | |
| Murder Makes You Crazy / int_f0c816fb | featureConfidence |
1.0 | |
| Breaking Bad | hasFeature |
Murder Makes You Crazy / int_f0c816fb | |
| Murder Makes You Crazy / int_f6b79960 | type |
Murder Makes You Crazy | |
| Murder Makes You Crazy / int_f6b79960 | comment |
Happens to Clover in Nine Hours, Nine Persons, Nine Doors during the "axe ending". She starts by wanting to kill Santa and Seven, believing them to be responsible for the death of her brother. June was trying to defend them, so she killed her too. After 3 murders, she snapped completely and killed Junpei for no particular reason. | |
| Murder Makes You Crazy / int_f6b79960 | featureApplicability |
1.0 | |
| Murder Makes You Crazy / int_f6b79960 | featureConfidence |
1.0 | |
| Nine Hours, Nine Persons, Nine Doors (Visual Novel) | hasFeature |
Murder Makes You Crazy / int_f6b79960 | |
| Murder Makes You Crazy / int_fa49fd7a | type |
Murder Makes You Crazy | |
| Murder Makes You Crazy / int_fa49fd7a | comment |
Oracle of Tao has Ambrosia, who is more or less a little crazy already (being a Mood-Swinger Sugar-and-Ice Personality with a Literal Split Personality), but in a Bad Ending, she goes noticeably over the edge after killing an angel. She starts talking about "balancing the scales" (which, since she created the universe from a Dream Apocalypse, means basically destroying everything), and goes on a homicidal rampage, even killing her own party. | |
| Murder Makes You Crazy / int_fa49fd7a | featureApplicability |
1.0 | |
| Murder Makes You Crazy / int_fa49fd7a | featureConfidence |
1.0 | |
| Oracle of Tao (Video Game) | hasFeature |
Murder Makes You Crazy / int_fa49fd7a |
The following is a list of statements referring to the current page from other pages.
Copyright of DBTropes.org wrapper 2009-2013 DFKI Knowledge Management. Imprint. - Thanks to Bakken&Baeck for hosting. Contact.
Copyright of data TVTropes.org contributors under Creative Commons Attribution-Share Alike 3.0 Unported License.
Copyright of data TVTropes.org contributors under Creative Commons Attribution-Share Alike 3.0 Unported License.