Because you like The Doctor in Star Trek Voyager

Angel is fighting as best as he can, but the disease might be too powerful for even his strong, positive energy. See them in Rent.

If you need her, Lisa Simpson will be in her room with her saxophone and a good book. See them in The Simpsons.

Basically a giant pillow come to life, Baymax is a medical robot created for the sole purpose of helping people. See them in Big Hero 6.

Ramona Flowers is a delivery girl who's been through her fair share of bad breakups. Super-bad breakups! See them in Scott Pilgrim vs. the World.

Nick Fury is an enigmatic, manipulative, and eye-patched director of the Avengers Initiative. See them in Marvel Cinematic Universe.

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..

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

Ariel knows there's a whole other world above the sea, but exploring it comes at a big price. See them in The Little Mermaid.

A wildly brilliant detective, Sherlock Holmes can figure out everything except how to interact with other human beings. See them in Sherlock.

Woody is a selfless leader of Andy's toys who likes change less than a snake in his boots. See them in Toy Story.

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.

Equal parts klutzy and clever, Ella is not afraid to take her fate into her own hands. See them in Ella Enchanted.