Because you like Cookie Monster in Sesame Street
Hunting ghosts is both a job and a passion for Abby Yates. See them in Ghostbusters (2016).
Knuckles the Echidna is a 16-year-old red echidna (aka a spiny anteater) and guardian of the ancient Master Emerald. See them in Sonic the Hedgehog.
As a doctor-in-training, John Dorian should have his head in the game. But most of the time, it's in the clouds. See them in Scrubs.
The Genie is the perfect buddy, granting every wish we might have and keeping life good-spirited. See them in Aladdin.
Evan is a sensible kid, but being sensible isn't going to help him lose his virginity. See them in Superbad.
Claire Standish is a popular, perfect princess who's deeper than she seems. See them in The Breakfast Club.
Working as a captain in the American Expeditionary Forces and a spy for British Intelligence, Steve Trevor wants to end World War I once and for all. See them in DC Extended Universe.
Luis is a deliverer of silver linings and long-winded stories. See them in Marvel Cinematic Universe.
Frederick Frankenstein is an eccentric (O.K., maybe a little insane) professor who is excited to be delving into his family's past. See them in Young Frankenstein.
Chewbacca is a loyal co-pilot who won't hesitate to rip your arm off. See them in Star Wars Series.
A monstrous pirate captain, Davy Jones is quite literally heartless. See them in Pirates of the Caribbean: the Curse of the Black Pearl.