Chop Chop

Appearance:
Chop-Chop is a Badnik in the game Sonic the Hedgehog 2 (16-bit).

Sonic the Hedgehog 2 (16-bit)
Chop-Chop comes sometimes in a group in the Aquatic Ruin Zone. They are usually out of the water, and will jump at the player, which injures Sonic or Tails. These are never really much of a threat, though.

Mega-Chopper
Mega-Chopper is similar to Chop-Chop. It is like Chop-Chop, just it appears to be a bigger one.