Because you like Derek Shepherd in Grey's Anatomy

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

Driven and straightforward with high-technology parts, EVE was sent to Earth to see if it is habitable. See them in WALL-E.

Pengiuns, turtles, and all things scientific is where Sam's expertise lies. Girls are uncharted territory, but Sam is trying to branch out. See them in Atypical.

The party never really ends with Penny Lane, a rock-worshipping groupie who is refreshingly self-aware and free-spirited. See them in Almost Famous.

Alex Dunphy's self-reliant intelligence comes with a healthy dash of sarcasm. See them in Modern Family.

Andrea Sachs' boss is not happy unless everyone around her is panicked, nauseous or suicidal. See them in The Devil Wears Prada.

Nothing inspires dread like the mysterious, masked Man in Black. But what's he hiding? See them in The Princess Bride.

Louise Belcher might be just a kid, but she can manipulate just about anyone with a pulse. All in the name of fun, of course. See them in Bob's Burgers.

Thanos is an intergalactic warlord, on the hunt for infinite power. See them in Marvel Cinematic Universe.

A Washington DC fixer, Olivia Pope can make roadblocks disappear with a single phone call. "It's handled" is her life motto. See them in Scandal.

Javert is an inspector with a single-minded focus: to bring criminals to justice. See them in Les Miserables.