Because you like Amy Pond in Doctor Who

Optimus Prime is a shapeshifting sentient robot leading a team of robots to stop evil from taking over. See them in Transformers.

Trying to get through school without being a burden to anyone, Tohru Honda stays cheerful despite her difficulties. See them in Fruits Basket.

Andrew Glouberman is trying to make it through puberty with his sanity intact. See them in Big Mouth.

Carl Fredricksen is a crotchety old man who may just have it in him to take one last, great adventure. See them in Up.

Kat Stratford is part of the "out" crowd and proud of it. See them in 10 Things I Hate About You.

As a scaring Assistant, Mike Wazowski frightens children to collect their screams to be used as a power supply for the city. See them in Monsters, Inc..

Walter White's knowledge of chemistry allows him to cook astoundingly pure meth, leading to a rapid – albeit tumultuous – rise in the criminal drug world. See them in Breaking Bad.

The Warden of the camp says that digging holes in the desert builds character, but Stanley Yelnats suspects there's more to it. See them in Holes.

Though the weight of a secret robs her of her voice, Melinda is nevertheless artistic, intelligent, and empathetic. See them in Speak .

Jin Kazama is a fearsome warrior torn between the darkness and the light. See them in Tekken .

An arrogant, prideful human-demon hybrid, Inuyasha secretly just wants to be accepted. See them in Inuyasha.

Don't worry about this forensic scientist offing you unless you're a serial killer yourself. (You're not, right? Just checking.) See them in Dexter.