Because you like The Janitor in Scrubs

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

Gloria Delgado-Pritchett's big personality is rivaled only by her big heart. Wait, did we mention she's gorgeous? See them in Modern Family.

Rukia Kuchiki is a cool and collected warrior who has trouble opening up to anyone. See them in Bleach.

Juliet Starling is a cheerleader by day, gleefully unhinged zombie killer by night. See them in Lollipop Chainsaw.

Stranded on Mars, Mark Watney is armed with quick wits, an electronic diary, disco music, and an undying resolve to make it back. See them in The Martian.

Juno MacGuff is hoping sarcasm will get her through the stress of teenage life. And also, teenage pregnancy. See them in Juno.

Skye is a pluck hacktivist who tries to use her power for good. Unfortunately, " good" isn't always so clear-cut. See them in Marvel Cinematic Universe.

Closing off her emotions makes Lightning a great fighter, but at what personal cost? See them in Final Fantasy Series.

Lady Bird's heart is in the right place, usually, but even the purest of people can fall sway to the havoc-wreaking traps of senior year. See them in Lady Bird.

A secret smoker, Margot Tenenbaum has plenty more secrets where that came from. See them in The Royal Tenenbaums.

It's hard to tell if Dean Winchester cares more about saving the world or his 1967 Chevy Impala. See them in Supernatural.

A dreamy space cadet, Luna Lovegood has never met a conspiracy theory she didn't believe in. See them in Harry Potter Series.