How about some more characters to get people thinking?
CHEF
"Chef Aid" in general
Selling chocolate salty balls in "Chef's Chocolate Salty Balls"
JESUS
Singing with Santa Claus in "Mr. Hankey's Christmas Classics"
SATAN
Throwing the fight against Jesus in "Damien"
BUTTERS
Becoming a pimp in "Butters's Bottom B****"
MS. CARTMAN
F***ing "Bill Cosby" in "Trapper Keeper"
MR. SLAVE
Shoving Paris Hilton into his ass at the end of "Stupid Spoiled Whore Video Playset"
MR./MRS. GARRISON (again)
Outing and killing the crab-people in "South Park is Gay"
Trying to get fired for being gay in "Death Camp of Tolerance"
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http://img812.imageshack.us/img812/3492/eponaharr.jpg
Nominate E P O N A.