Complex sentence: Savini voiced himself on the "The Simpsons" episode "Worst Episode Ever", making an appearance at Android's Dungeon, performs his "Gutbuster" gag, covering the crowd in "blood and guts" and consequently humiliating the Comic Book Guy.
Split into simpler sentences: Savini voiced himself on the "The Simpsons" episode, "Worst Episode Ever". Savini, making an appearance at Android's Dungeon, performs his "Gutbuster" gag, covering the crowd in "blood and guts" and consequently humiliated the Comic Book Guy.