Because you like Callie Torres in Grey's Anatomy

Chaos is what killed the dinosaurs, and there's nothing Jason "J.D." Dean loves more than chaos. See them in Heathers.

Emily Fields has been very guarded, careful of whom she trusts and reveals her secrets to. See them in Pretty Little Liars.

Point the fun-loving Pippin Took towards second breakfast, and he's one happy hobbit. See them in The Lord of the Rings.

Trevor Phillips is an unpredictable maniac who tortures people for no reason. See them in Grand Theft Series.

Satine cynically gives up on love so she can advance her singing career. But she meets a dreamer who reminds her there's more to life than ambition. See them in Moulin Rouge.

Roger is a pansexual alcoholic non-human who will happily lie, cheat and steal to get what he wants. See them in American Dad!.

Baloo is a fun-lovin' bear who just needs the bare necessities of life See them in The Jungle Book.

For someone who swears she doesn't care for anyone, MJ Jones spends a lot of time observing her classmate Peter Parker. See them in Marvel Cinematic Universe.

Romantic, impulsive, and captivated by the joys of life, Natasha Rostova is on the messy path of growing up. See them in War and Peace.

Marshall Eriksen is a lawyer in love who is enjoying life. See them in How I Met Your Mother.

Jenna Rink is physically 30 but emotionally 13. She has a better excuse than most. See them in 13 Going on 30.