Because you like Miles "Tails" Prower in Sonic the Hedgehog

Johannes Betzler is an overwhelmed little boy caught up in deeply confusing times. See them in Jojo Rabbit.

Applejack's practicality complements her caring nature. She is the loyalest of friends and the most dependable of ponies. See them in My Little Pony.

A stylish agent, Agent J would rather improvise than play by the rules. See them in Men in Black.

For Celty Sturluson, it's rather upsetting to be the only headless girl in a city filled with full-bodied humans. See them in Durarara!!.

Butters Stotch is a kind-hearted student who likes ladybugs, Charlie's Angels, art class, baby-back ribs, and Little Bunny Foo Foo. See them in South Park.

Surly and sarcastic, Manny travels alone and prefers it that way. See them in Ice Age.

Reckless, vulgar, loud-mouthed: that's what makes Amethyst so awesome. See them in Steven Universe.

Ted is a cursing, smoking, drinking teddy bear who's anything but cuddly. See them in Ted.

Viking Astrid Hofferson has it all: brains, brawn, and some killer braids. See them in How to Train Your Dragon.

C is for cookie, and that's more than good enough for him. See them in Sesame Street.

Mako is carrying the world on his shoulders. See them in The Legend of Korra.

Milo Thatch is an enthusiastic researcher without cynicism. See them in Atlantis: The Lost Empire.