Because you like Arnold in Hey Arnold!
Frank Reynolds is too gross even for the prostitutes he hires. See them in It's Always Sunny in Philadelphia .
A meek schoolteacher, Mary Margaret Blanchard can't remember her past as a spirited, swashbuckling Snow White. See them in Once Upon a Time.
Eric Forman's interests include smoking weed, collecting Luke Skywalker memorabilia, eating Fatso burgers, and making his dad mad. See them in That '70s Show.
Once described as a "beautiful, tropical fish," Ann Perkins exudes warmth, and unlike most of her friends she also has common sense. See them in Parks and Recreation.
Relentlessly cheerful and optimistic, Erin Hannon is an office receptionist. See them in The Office.
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.
Bob Belcher runs a lonely burger joint, and even though his wit is lost on his eccentric family, he doesn't let that faze him. See them in Bob's Burgers.
Michael Kelso gets by on his good looks and his openhearted nature. See them in That '70s Show.
Philip J. Fry accidentally cryogenically froze himself for a millennium. See them in Futurama.
Bodhi Rook is a defected pilot for the Galactic Empire dead set on destroying the Death Star. See them in Rogue One.
Cyclops shoots lasers out of his eyes, destroying anything in his line of sight. See them in X-Men Series.