Because you like Lexie Grey in Grey's Anatomy

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

For Vada Sultenfuss, it's hard to embrace growing up when you're obsessed with death. See them in My Girl.

The Little Prince is a childlike wonder personified in a tiny package. See them in The Little Prince.

As Jane Villanueva grapples with a truly unexpected pregnancy, she realizes that her life is "now the stuff of telenovelas." See them in Jane the Virgin.

An alien living in a temple shaped like a giant woman, Pearl enjoys ballet, fencing, and using her magical spear. See them in Steven Universe.

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.

A cocky surgeon, Stephen Strange is learning that magic is more real than he could ever imagine. See them in Marvel Cinematic Universe.

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

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.

There's nothing like discovering dear old dad is a serial killer to send you into an (understandable) funk. See them in Hannibal.

Effy Stonem is cool and collected with a wry smile on her face and a cigarette between her lips. See them in Skins.