it's not a cat its...

A small, four-legged, fur-bearing extortionist.
A wildlife control expert impersonator.
An un-programmable animal,
A four footed allergen.
A hair relocation expert.
A treat-seeking missile.
A lap-warmer with a built-in buzzer.
A small, furry lap fungus.
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The list is long, Feel free to add more...