Nibbler n. : One who, or that which, nibbles.

Example:
What is the best toot to use for cutting a finished piece of aluminum sheet? Electric Shears, Nibbler, other?

Taxonomy
Lord Nibbler, Fry, dark matter, Nibblonians, planet, Futurama, species, universe, Eternium, stomach, Earth, free encyclopedia, pet, Planet Express ship, Leela, existence, memories, weighs.

Defination from the web:
Nibbler is a fictional character from the animated television series Futurama. ... During most of the series Nibbler masquerades as an innocent, cute and unintelligent pet. ... The actual fate of Nibbler is unknown, as he was not on the Planet Express ship at the end of Into The ...