Dave Chappelle is one of my favorites.
A comedian who I like that probably no one here would know is Carlos Mencia (He was on Comedy Central).
South Park, Charmed, Buffy The Vampire Slayer / Angel, Tru Calling, Family Guy, TrippingTheRift, FreeForAll, Futurama, Jackass, Lost, That 70's Show, Celebrity Deathmatch