Because you like Gloria Cleary in Wedding Crashers

Helena is a mentally unstable, childish, and completely merciless. And most of all, she's an unstoppable killer. See them in Orphan Black.

Driven by obsession and anxiety, Monk bravely overcomes, or at least battles, his fears to help the world. See them in Monk.

Mike Ehrmantraut is rutheless, merciless, and probably the most endearing hitman you've ever met. See them in Breaking Bad.

Cyclops shoots lasers out of his eyes, destroying anything in his line of sight. See them in X-Men Series.

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

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

Bad-ass Rayne has sworn her life to finding and destroying her vampire dad, Kagan, and killing as many other vampires as she can in the bargain. See them in BloodRayne .

Egon Spengler prefers collecting spores, molds, and fungus to interacting with people. See them in Ghostbusters.

Macbeth was probably named "Most Likely to Kill His Rivals" in his senior yearbook. See them in Macbeth.

A childlike space cadet, Brittany Pierce has a surprisingly open-minded spirit. See them in Glee.

A devoted butler, Alfred Pennyworth is both a fiercely protective guardian and a lethal gunman. See them in Gotham.

Sephiroth wants nothing more than to seize the power of the Lifestream in order to become a god. See them in Final Fantasy Series.