Buzzer

Stingers are an enemy from the Sonic universe. In the Sonic games, they are flying foes that appear in Emerald Hill Zone.

In Super Smash Flash
Stingers are also an aerial enemy in Super Smash Flash. They only appear in the Classic and Adventure modes, as enemies in "Race to the Finish". They will home on you and try to "sting" you. Most players find them annoying.