Stinger

This character has a stinger.

A stinger, or sting, is a sharp organ found in various animals capable of injecting venom, usually by piercing the skin of the victim. Technically, a stinger is the part of an insect or animal that holds a sting, where a sting is the pointed organ, but in common language those terms are used interchangeably.

Well-known animals with sitngers are: hornets, some ants, centipedes, and scorpions.