Because you like John Book in Witness

Scooby-Doo always keeps his priorities in order: eat snacks first, solve mysteries later. See them in Scooby-Doo.

Good-natured, sensitive, and introspective, Mason is on a lifelong path to finding himself. See them in Boyhood.

Alfredo Linguini can whip up five star meals effortlessly. Just don't look under his hat. See them in Ratatouille.

Raj Koothrappali is an astrophysicist who sees stars when he feebly tries to chat up women. See them in The Big Bang Theory.

Rory Williams is a caring companion whose specialty is looking after others. See them in Doctor Who.

Anger is a cantankerous hothead whose job is to get others riled up. See them in Inside Out.

Quirky teen Carly Shay is the director of her own life story. See them in iCarly.

A suave proprietor of an upscale nightclub and gambling den, Rick Blaine is dealing with World War II and a broken heart. See them in Casablanca.

Formerly a "sweater-set-wearing, mojito-drinking sorority girl", Paige Collins is now a successful sculptor with slight memory loss. See them in The Vow.

Sam Roth is sensitive, musically gifted, and scarred by his past. See them in Shiver .

Catherine Linton was once spontaneous and rowdy but ever since marrying the wealthy Edgar, she has morphed into a boiling pot of emotional outbursts. See them in Wuthering Heights.

Serena van der Woodsen is a wild child. Too wild, her friends and family might argue. See them in Gossip Girl.