Because you like Theodore Laurence in Little Women

Mike Wheeler loves Dungeons and Dragons, even after his real life starts imitating the game. See them in Stranger Things.

The ever-cheerful Tonks can change her appearance at will, but she can't seem to get rid of her clumsiness. See them in Harry Potter Series.

With his good looks and magnetic personality, Will Smith seems destined to be a Hollywood megastar. See them in The Fresh Prince of Bel-Air.

Although Thomas Sharpe is an English baronet, he doesn't have a Shilling to his name. He's in America to sell his invention and marry rich. See them in Crimson Peak.

Robin Scherbatsky is a former teen pop star who loves dogs and is scared of relationships. See them in How I Met Your Mother.

This bite-sized, power-hungry plankton is determined to uncover the secret recipe for the Krusty Krab burger. See them in SpongeBob SquarePants.

A no-nonsense professor famous for her strictness, Minerva McGonagall only shows her warmer side to those closest to her. See them in Harry Potter Series.

Matt Flamhaff is not too concerned about being part of the popular crowd. Too bad his best friend is. See them in 13 Going on 30 .

A meek schoolteacher, Mary Margaret Blanchard can't remember her past as a spirited, swashbuckling Snow White. See them in Once Upon a Time.

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