Because you like Nezuko Kamado in Demon Slayer
Baloo is a fun-lovin' bear who just needs the bare necessities of life See them in The Jungle Book.
Charlie Bucket may be down-on-his-luck, but his spirits are always sky high. See them in Charlie and the Chocolate Factory.
Connor Walsh is arrogant enough to think he's the smartest guy in the room, and quick-witted enough to prove that he is. See them in How to Get Away with Murder.
How lucky are we that Arthur Curry, the King of Atlantis, hasn't taken over the surface world? Very! See them in DC Extended Universe.
After several hundred years of shutting himself out from the rest of the world, Japan's not used to dealing with nations, See them in Axis Powers Hetalia.
James Wilson is a compassionate doctor who willingly plays the sidekick. See them in House M.D..
Michaelangelo is an above-ground crime-fighter by night, and a pizza-eating, sewer-dwelling mutant ninja turtle by day. See them in Teenage Mutant Ninja Turtles.
Mavis Dracula's interests are anything black, scream cheese, and flying around. See them in Hotel Transylvania.
Henry Mills is an idealistic young boy with the heart of the truest believer. See them in Once Upon a Time.