Kenny McCormick (born March 22, 1987 age 34) is a protagonist from South Park and known for his poverty.
Kenny is the poorest of the four main protagonists in South Park. His mightiest power is to be de facto immortal, but technically he isn't really undying.
The real cause for his unnoticed appearance in the next episode after his death is that Kenny's Mom gives everytime when Kenny is being killed a new child birth. Since its genome is exactly the same as Kenny's plus the newborn has the strange ability to grow physically to a ten-year old child within a week, having a collective memory of his dead predecessor and letting erase all peoples' recollection about his previous death. He's also a pervert.