Because you like Baloo in The Jungle Book
Sam Montgomery works hard, but her evil stepmother makes sure her efforts don't pay off. See them in A Cinderella Story.
Moe Szyslak is the crabby owner of the grimiest bar in Springfield. See them in The Simpsons.
Selfishly taking her father’s place to fight in the Imperial Army, Hua Mulan risks treason if they find out she isn’t who she says she is. See them in Mulan.
A reclusive introvert, Liz Sherman has a temper that's literally lethal. See them in Hellboy.
Caitlin Snow believes that burying herself in science is the best way to save the day or to mend a broken heart. See them in DC Extended Universe.
Cinderella will sacrifice herself to keep her family's memory alive. See them in Cinderella (Live Action).
A rugged treasure hunter, Rick O'Connell finds adventure wherever he goes – whether he wants to or not. See them in The Mummy.
Milo Thatch is an enthusiastic researcher without cynicism. See them in Atlantis: The Lost Empire.
Others see him as the town nutcase, but Flint Lockwood knows his inventions will change the world someday. See them in Cloudy with a Chance of Meatballs.
There must be quite a lot of fellows who haven't got anybody to bring them tea in the morning. Bertie Wooster is lucky to have his valet, Jeeves. See them in Jeeves and Wooster.
Philip J. Fry accidentally cryogenically froze himself for a millennium. See them in Futurama.