Zyzzybalubah is a malevolent but lonely male alien (similar in personality and mannerisms to Zim from Nickelodeon's Invader ZIM, which was created years later), from Pee-Wee's Playhouse, who hypnotized Conky into making his own name the secret word and launched the Playhouse into space. He calls anyone he captures his "friends" (such as Yvona) but Pee-wee (upon arrival and capture on Zyzzy's homeworld) furiously sets him straight with the following explanation: His home base is a mysterious crystalline structure of unknown construction, though it only appears in two scenes.