Because you like Madame Vastra in Doctor Who

Joey Tribbiani's true passions in life are acting, sandwiches, football, sex, and asking ladies, "how you doing?" See them in Friends.

Think you grew up fast? At 12, Mathilda is an aspiring assassin eager to avenge her family's murder. See them in Leon: The Professional.

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

Dominic Toretto lives his life "a quarter mile at a time", and he burns through those miles faster than anyone. See them in The Fast and the Furious.

Seth is short-tempered, crude, and terrible at school, but hopefully there's nothing an epic party can't fix. See them in Superbad.

Shaun is used to being lazy. And now, you're asking him to fight for his life? See them in Shaun of the Dead.

Hans Landa doesn't seem to have issues with Jews, but he hunts them because he's determined to do his job well. See them in Inglourious Basterds.

A nurturing, selfless, and level-headed leader, Makoto Tachibana loves looking out for his friends. See them in Free! Iwatobi Swim Club.

A fourth grader without a moral compass, Eric Cartman lives on KFC, Taco Bell, Pizza Hut, and Cheesy Poofs. See them in South Park.

Tina Belcher is on the cusp of puberty, and she has no shame when it comes to boys, butts, and brassieres. See them in Bob's Burgers.

Celine's a spontaneous Parisian college student enjoying the night of her life. See them in Before Sunrise.