Because you like Bobby Boucher Jr. in The Waterboy

Peter Venkman's "research" projects are designed to get undergraduate students to sleep with him. Though it turns out he can bust ghosts. See them in Ghostbusters.

The witty Aku would be an ideal dinner guest, if he weren't a demon. See them in Samurai Jack.

Red doesn't like to explain herself. She wants her work to do the talking. See them in Transistor.

Playing his cards close to his vest, J. Daniel Atlas believes the closer you look, the less you see. See them in Now You See Me.

M. Bison is a diabolical megalomaniac hell-bent on dominating the world. See them in Street Fighter.

This cannibalistic villain may be a loner, but Killer Croc doesn't have problems with self-confidence. See them in Suicide Squad.

Kilgrave is a domineering, abusive boyfriend. Then, add in the power of mind control. See them in Marvel Cinematic Universe.

This lab mouse has one thing on his huge brain: trying to take over the world on a nightly basis. See them in Pinky and the Brain.

Despite the war-torn world around him, Mal Reynolds still holds onto the shred of hope that life can be more than just living another day. See them in Firefly.

Anya Jenkins has a real harsh bark to go with her demonic bite. See them in Buffy the Vampire Slayer.

An upbeat, fun-loving teen, Sora would do anything for his friends. See them in Kingdom Hearts.

A Silurian lizard woman, Madame Vastra has a penchant for puzzles and interspecies romance. See them in Doctor Who.