Because you like Miles "Tails" Prower in Sonic the Hedgehog
Woody is a selfless leader of Andy's toys who likes change less than a snake in his boots. See them in Toy Story.
Ultron is security software turned evil mastermind. See them in Marvel Cinematic Universe.
Matilda Wormwood is so smart, she taught herself how to be psychic. See them in Matilda.
This lab mouse has one thing on his huge brain: trying to take over the world on a nightly basis. See them in Pinky and the Brain.
Phoenix Wright is an easygoing defense attorney who is rarely defensive. See them in Ace Attorney Series .
Louise Belcher might be just a kid, but she can manipulate just about anyone with a pulse. All in the name of fun, of course. See them in Bob's Burgers.
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.
Frank Reynolds is too gross even for the prostitutes he hires. See them in It's Always Sunny in Philadelphia .
When push comes to shove, the usually overly cautious Luigi has the heart of a hero. See them in Super Mario Bros..
A formerly righteous wizard, Saruman has been corrupted by the forces of evil. See them in The Lord of the Rings.
Carolos has perfect hair, a lab coat, and a constant readiness to do science. See them in Welcome to Night Vale.