Macavity

Macavity is a fictional feline from T.S. Eliot's children's book Old Possum's Book of Practical Cats, where he is described as the "Napoleon of Crime," confounding human and feline law alike, and implied to have demonic powers. Andrew Lloyd Webber's Cats: The Musical embellishes on Eliot's description, making him the arch-villain of the play, and an object of fear for the Jellicle tribe, in a subplot created strictly for the play.

Macavity in "The Great White Way"
Brent Birley based his virtual Macavity character on a Cheshire Cat model from an existing Alice in Wonderland program. During the Sondheim-Webber battle, Macavity and all the other Webberite cats perished at the hands of the Sondhead champions.