Because you like Mason in Boyhood

After having his mind altered after a bad breakup, Joel Barish is not convinced that ignorance is bliss. See them in Eternal Sunshine of the Spotless Mind.

Cosmo Kramer is an eccentric schemer whom you might know better as the "Assman." See them in Seinfeld.

Polite and clever, Annie James is not afraid to stir up a little mischief. See them in The Parent Trap.

D.J. Tanner is a rebellious teen who wishes her lame dad would butt out of her personal life. See them in Full House.

Due to his eagerness to hang with his kids and general goofiness, Phil Dunphy comes across as the fourth child of his family. See them in Modern Family.

Marty McFly is a skateboarder, aspiring rock star, and reluctant time-traveler. See them in Back to the Future.

Matilda Wormwood is so smart, she taught herself how to be psychic. See them in Matilda.

Nemo is a small fish in a vast ocean, but he dreams of seeing it all. See them in Finding Nemo.

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

Carl Fredricksen is a crotchety old man who may just have it in him to take one last, great adventure. See them in Up.

Though the weight of a secret robs her of her voice, Melinda is nevertheless artistic, intelligent, and empathetic. See them in Speak .

Veronica Mars is a sarcastic private eye whose biggest mission is surviving high school. See them in Veronica Mars.