Bata-pyon
From Sonic Retro
Bata-pyon (バタピョン / Batapyon) is a badnik featured in Sonic CD. It is based on the grasshopper.
These badniks simply spring around the level, and as such are slightly more dangerous than Anton. When broken down due to age, they spring slower.
PC Manual Description
The Robot Grasshopper jumps on its enemies with it's super coil spring!
Name origin
"Batta" is the Japanese word for "grasshopper", while "pyon-pyon" means hop.