Space by Egantx7

Question 3

One early episode of this cartoon series (first aired in 1991) was entitled "Space Madness", which ended with one title character putting the other title character in charge of a bright red "history eraser button", which that character eventually pressed, ending all of reality. Identify this series, the title characters of which were voiced by Billy West and John Kricfalusi.

Ren and Stimpy