Jellicle cats Jellicle cats "Jellicle cats", or simply the "Jellicles", are a type of feline mentioned in T. S. Eliot's book "Old Possum's Book of Practical Cats", and in "Cats", a stage musical written by Andrew Lloyd Webber and based on the book. Introduced in Eliot's poem "The Song of the Jellicles", they were originally depicted as commonly nocturnal gray, scruffy cats. Specifically, Eliot mentions that they like to gather at an event called the "Jellicle Ball". In the musical, a sub-plot surrounds the disappearance of the Jellicle patriarch Old Deuteronomy. The names are taken from Eliot's poem "The Naming of Cats"
The Battle Cats return after 900 years (likely because of time travel) to presumably save return humanity from the dominance of the aliens. The Battle Cats, now calling themselves the "Cat Army", defeat the much more formidable alien empire. However, it is revealed at the end that the cats once again didn't change much at all, with the only change being that cats star more in TV dramas with aliens getting fewer parts and that playing with THAT is a "new comedy boom". Later the narrator (who is an alien) decides to talk with the cats. The cats were pestering the narrator about