Want this question answered?
Yes Kenny is Mysterion as revealed in the episode "Mysterion Rises".
Kenny dies
In Season 5 Episode 13 of South Park Kenny Dies.
ANSWER:They did. You know, them. As quoted from one episode. "OMG! They killed Kenny! You bastards!"
In Season 4 Episode 15 Fat Camp.
He is Kenny
Yes Kenny is Mysterion as revealed in the episode "Mysterion Rises".
There is no such episode. Is it possible, that you are thinking of Cartmann, and not Kenny? Because that scene does exist.
Kenny dies
In Season 5 Episode 13 of South Park Kenny Dies.
ANSWER:They did. You know, them. As quoted from one episode. "OMG! They killed Kenny! You bastards!"
In Season 4 Episode 15 Fat Camp.
There isn't an episode with Ray Mysterio in it, but Kenny dresses up as Ray Mysterio in the episode W.T.F.
Go to www.xepisodes.com and find out! The Pandemic but they appear in The Pandemic 2: The Startling.
Kyle has a chainsaw in season 1, episode 7, "Pinkeye" as he is killing Kenny.
Episode 3, season 4 - "Quintuplets 2000"
Kenny is killed off in season 5 episode 13 called "Kenny dies" and is not shown up until season 6 episode 17 "red sleigh down" where Kenny just shows up out of the blue