Chickpox

My monster has a long nose 7 arms and 50 legs.

It sometimes hides in the goldfish tank and pretends to be a shark.
It likes to eat anything that’s put on a plate while it drinks people's flesh and guts. If you are ever stuck with this creature run for your life because if you touch his bright yellow spots you'll never see the light of day again. He responds to all sixties music so never leave the house without a tape.
His favourite snack is finger nails with eye balls on toast with brain soup and a hair cob.

So you better watch out when Chickpox is about.