Because you like Andrew Ryan in Bioshock

In charge of stocking the office's supply of cigarettes and liquor, Joan Holloway could run the whole company if they would let her. See them in Mad Men.

A speed-loving daredevil who lives on the edge, Sonic is as brave as he is cocky. See them in Sonic the Hedgehog.

Samwell Tarly is a scholar, not a fighter. But that's not good for an aspiring member of the Night's Watch. See them in Game of Thrones.

An off-beat dork, John Egbert is funny, inventive, and endlessly optimistic. See them in Homestuck.

A compassionate medical student, Martha Jones has found a Doctor she can really look up to. See them in Doctor Who.

Rory Williams is a caring companion whose specialty is looking after others. See them in Doctor Who.

Good-natured, sensitive, and introspective, Mason is on a lifelong path to finding himself. See them in Boyhood.

Madman, murderer, or musician? No one knows the Phantom behind the mask. See them in The Phantom of the Opera.

Patrick Star enjoys life's simple pleasures because he can't wrap his brain around anything more complicated. See them in SpongeBob SquarePants.

A self-professed psychopath, James kills small animals for fun. After getting bored of that, he is ready for an ambitious murder. See them in The End of the F World.

Donkey Kong is a strong, banana-loving, and caring uncle to Diddy Kong. See them in Donkey Kong.

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.