Mr. Mistoffelees capable of performing feats of magic and sleight of hand. These traits are portrayed as amusing, not fearsome or particularly deadly. In "Cats", Mistoffelees is a principal role and maintains most of the same attributes as Eliot's original character, although he is much flashier. He has his own song and an extended dance solo in the second act of the show, and, in most productions, also sings the "Invitation to the Jellicle Ball" in the first act. In the original London Cast, Mistoffelees also sang "The Old Gumbie Cat"; and in the original Broadway production, he sang "Mungojerrie and Rumpleteazer".
Mungojerrie and Rumpleteazer setting of the song "Mungojerrie and Rumpleteazer" for the original Broadway production, in which the song was sung by Mr. Mistoffelees, while the actors playing Coricopat (Rene Clemente) and Etcetera (Christine Langner) danced the song as "dolls" made of junk, brought to life, and appearing out of the boot (trunk) of a car through the magic of Mr. Mistoffelees. In 1987, the Broadway production was re-worked and the song was given back to the characters of Mungojerrie and Rumpelteazer, then played by Ray Roderick (who had formerly been the character Carbuckety) and Christine Langner, whose role of Etcetera was replaced