Jumbo

Jumbo is an ugly, nagging girl, who appears in the song Jumbo Go Away and is referenced again in Drop Dead: "Give him a little shoe! Dat's what Denny be doin'. Work on Jumbo evvy time!"

The character was inspired by a real-life female stalker who kept following Zappa's guitarist Denny Walley, until he finally told her: "Jumbo, go away!"