South Park(1997 - 0000)
The animated exploits of four foul mouthed kids (Kyle Broflosky, Stan Marsh, Kenny McCormic, Eric Cartman) in the crazy small town of South Park, Colorado.
Created by Trey Parker and Matt Stone, the show was a spinoff of their award winning short films both called "the Spirit of Christmas" which featured the boys witnessing a bout between Jesus and santa, and an older really badly looking version which saw the boys meet evil frosty. it has lasted for 10 seasons, and spawned a successful Movie. Trey Parker and Matt Stone have also created Movies and Shows like Baseketball, Cannibal: the Musical, Orgazmo, Team America: World Police, and That's my Bush.
Halloween Version of 1st season intro.
Halloween Spookyvision Intro
South Park Ninjas Ending From Season 8(unfortunately with Chappelle Promo on it, and cut a bit on the end)