When my little sister got a cat, she named it Lily. Beyond that, we really don't name cats in my mom's house anymore. The other cat we've had for 5-6 years is to this day differentiated from my sister's cat only by the adjective "fat" or "big" (e.g. "the fat cat"). I've especially never understood longer names either, since they wouldn't respond to that any more that just "cat" or "here kitty." Unlike at least larger dogs, who seem better equipped to associate themselves with a specific name, at least simple ones (I don't consider small retarded dogs in this analysis).

That being said, I approved of my high school English teacher's names for her cats (Rosencrantz and Guildenstern).