How does this
snark |snärk| noun an imaginary animal (used to refer to someone or something that is difficult to track down). ORIGIN 1876: nonsense word coined by Lewis Carroll in The Hunting of the Snark.
snarky |ˈsnärkē| adjective ( snarkier, snarkiest) informal (of a person, words, or a mood) sharply critical; cutting; snide : the kid who makes snarky remarks in class. • cranky; irritable : Bobby’s always a bit snarky before his nap.
Now I have to go read that book and find out what a snark is really like once you find it. Does the snark get angry if found? Is it dangerous when cornered?