Because you like Butthead in Beavis and Butthead
Ryan Howard is a temp turned executive turned failing small-time media mogul. See them in The Office.
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.
Oscar Martinez is a national accountant in an office of weirdos. See them in The Office.
Stan Marsh is a fourth grader who is the ladies man of his classroom. See them in South Park.
Randy Marsh is a geologist and Nobel Prize winner who is into binge drinking, starting riots, the Food Network, and P.F. Changs. See them in South Park.
Turanga Leela is the daughter of two mutants who live in the sewers below New York City. See them in Futurama.
Krusty The Clown somehow makes life sillier and more somber at the same time. See them in The Simpsons.
Relentlessly cheerful and optimistic, Erin Hannon is an office receptionist. See them in The Office.
Evan is a sensible kid, but being sensible isn't going to help him lose his virginity. See them in Superbad.
Philip J. Fry accidentally cryogenically froze himself for a millennium. See them in Futurama.
When he’s not working at the banana stand or awkwardly hitting on his cousin, George Michael tries his best to appease his father. See them in Arrested Development.