Because you like Ezio Auditore Da Firenze in Assassin's Creed Series

Wheatley's got an endless supply of bad ideas that he wants to share. See them in Portal Series.

Will Herondale is an emotionally distant bad boy with a secret. See them in Clockwork Angel .

Green skin, pointy hat, evil cackle—this villain has it all! See them in The Wizard of Oz.

A born psychopath, don't expect Michael Myers to understand the difference between right and wrong. See them in Halloween.

A malevolent dark wizard, Voldemort is so fearsome that he's known primarily as "He Who Must Not Be Named." See them in Harry Potter Series.

Satine cynically gives up on love so she can advance her singing career. But she meets a dreamer who reminds her there's more to life than ambition. See them in Moulin Rouge.

Bojack Horseman is a former sitcom star who loves sharing his opinions with anyone who will listen. Oh, and drinking. A lot! See them in Bojack Horseman.

Lucille Bluth doesn't understand the question, and she won't respond to it. And you're probably better off. See them in Arrested Development.

Jack Skellington is a nightmare-man with a soft heart and smooth voice. See them in The Nightmare Before Christmas.

A brilliant graduate student in Italy for "research," Oliver has other things on his mind: flirting, swimming, and dancing. See them in Call Me by Your Name.

There are rumors that the Spirit was an Egyptian Pharaoh in his past, but without any memories, he doesn't know how true they are. See them in Yu-Gi-Oh! .

Mr. Fox will never truly be happy without a dead chicken between his chompers. See them in Fantastic Mr. Fox.