Because you like Mark Zuckerberg in The Social Network

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

Daphne Blake's unfailing enthusiasm keeps the team's morale up even as they're battling evil spirits and other ghouls. See them in Scooby-Doo.

Pro tip: the psych ward is not the best place to find a mentor like Lisa Rowe. See them in Girl, Interrupted.

Ahsoka Tano hopes to be a very powerful and knowledgeable Jedi one day. See them in The Clone Wars.

Chris Chambers is from a family of social outcasts and criminals, and he wants more than anything to avoid ending up like them. See them in Stand By Me.

Wheatley's got an endless supply of bad ideas that he wants to share. See them in Portal Series.

It's easy to see why Poe Dameron would side with the rebellion: he's bad at taking orders, likes to show off, and is committed to the cause. See them in Star Wars Series.

Clay Jensen's friend Hannah is gone, and he is determined to find out why even if that brings him pain. See them in Thirteen Reasons Why .

Georgina Sparks uses beauty, brains, and power to always get her way. See them in Gossip Girl.

When you live your life in public, like Mima Kirigoe, it's hard to know who you really are. See them in Perfect Blue.