Because you like John Keating in Dead Poets Society

Shaggy might be a bit of a slacker, but his heart and his stomach are usually in the right place. See them in Scooby-Doo.

Khan Noonien Singh is super strong, super smart, and out for revenge. He always seems to be two steps ahead of his enemies. See them in Star Trek Into Darkness.

Franklin "Mouse" Finbar is a jock paying the price for his mistake. See them in Jumanji.

A photographic memory is just one of many skills Lexie Grey brings to the table as a surgeon. See them in Grey's Anatomy.

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

Therese Belivet spent her life letting other people guide her along, and she wants to take control now. See them in Carol.

Twisted and seemingly soulless, Bellatrix Lestrange finds joy in making others suffer. See them in Harry Potter Series.

Andy Bernard is a preppy Cornell grad who's very likely to break into an acapella performance. See them in The Office.

Michaelangelo is an above-ground crime-fighter by night, and a pizza-eating, sewer-dwelling mutant ninja turtle by day. See them in Teenage Mutant Ninja Turtles.

Winston Bishop is sweet, thoughtful, and a little oblivious. And above, he's a loyal friend. See them in New Girl.

Jughead Jones loves burgers, his friends, and philosophizing with his unique brand of wisdom. See them in Archie Comics.

Cisco Ramon is a proud, enthusiastic member of a superhero support team. See them in DC Extended Universe.