Because you like Butters Stotch in South Park
Turanga Leela is the daughter of two mutants who live in the sewers below New York City. See them in Futurama.
Ted is a cursing, smoking, drinking teddy bear who's anything but cuddly. See them in Ted.
Waylon Smithers would do anything for his boss, and would love to do a few things *to* him. See them in The Simpsons.
Gene Belcher dreams of a future in the limelight, and he doesn't let his lack of talent hold him back. See them in Bob's Burgers.
Philip J. Fry accidentally cryogenically froze himself for a millennium. See them in Futurama.
Chuckie Finster is a baby afraid of everything from clowns to closets, unless his best friend's by his side. See them in Rugrats.
Relentlessly cheery Ned Flanders enjoys a nice piece of bread with water on the side for dipping See them in The Simpsons.
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.
Sideshow Bob is a bitter ex-performer who was forced to do inhumane stunts for slapstick comedy. Now he's exacting revenge on his former boss, a clown. See them in The Simpsons.
Bob Parr is an ex-superhero now focused on being a dad, but he misses the action. See them in The Incredibles.
Dash Parr's super speed helps with his impatience. See them in The Incredibles.
Marge Simpson is a mostly happy housewife and subscriber to Sponge and Vacuum Magazine. See them in The Simpsons.