Because you like John Keating in Dead Poets Society

Sookie St. James is a klutzy and perfectionist chef who's always there for her friends. See them in Gilmore Girls.

Turanga Leela is the daughter of two mutants who live in the sewers below New York City. See them in Futurama.

Derek Shepherd is a talented and passionate neurosurgeon. Some people call him McDreamy. See them in Grey's Anatomy.

Emma Woodhouse knows what's best for everyone else. Just don't try to tell her what to do. See them in Emma.

On the outside, Gwen seems meek and calm. But she has an inner core of steel. See them in Merlin.

Aldo Raine is in the killing Nazi business. And as he says, business is a-boomin'. See them in Inglourious Basterds.

Introverted Kira Yukimura is sweet, bubbly, and eager to make friends. See them in Teen Wolf.

Brian Griffin is the most scholarly member of the family—when he's not drunk on martinis. See them in Family Guy.

A life spent as "Number Two" is bound to give Diego Hargreeves an inferiority complex. See them in The Umbrella Academy.