Because you like Bill S. Preston in Bill & Ted's Excellent Adventure

Helena is a mentally unstable, childish, and completely merciless. And most of all, she's an unstoppable killer. See them in Orphan Black.

Maurice Moss is a dedicated IT guy who even talks like a computer. See them in The IT Crowd.

Spyro the Dragon loves getting into trouble around the Dragon Realms. See them in Spyro the Dragon.

Chaos is what killed the dinosaurs, and there's nothing Jason "J.D." Dean loves more than chaos. See them in Heathers.

Taystee Jefferson is always down for a laugh and to help a friend out. See them in Orange Is The New Black.

Dutiful, composed, and aloof, Sun Bak is the fighting force behind her team of eight "sensates" who are telepathically linked. See them in Sense8.

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

A determined and cold-hearted spy, Cassian Andor will do what it takes to stand up to the evil Galatic Empire. See them in Rogue One.

There are rumors that the Spirit was an Egyptian Pharaoh in his past, but without any memories, he doesn't know how true they are. See them in Yu-Gi-Oh! .

Christian is a romantic who for some reason won't stop singing everything he feels. See them in Moulin Rouge.

A machete-wielding mass-murderer, Jason Voorhees is a terrifying blank slate. See them in Friday the 13th.

On the outside, Gwen seems meek and calm. But she has an inner core of steel. See them in Merlin.