Grue

Grues are creatures that are known for eating humans and otters, though they have been known to eat robots, sylveons, octopuses, drillers (their favourite treat), bagels, hedgehogs, your pets, Tamagotchis, and damn near everything.

Can you eat a Grue
No, you can't grues eat you.

What can kill a grue

 * Nothing, but Chuck Norris and sporks.