I made two versions, one based more faithfully on the original and another with small changes.

Mecha-Zingers are, as their name states, mechanical sub-species of a Zinger which appear in the level Frantic Factory from Donkey Kong 64.These enemies can drop Orange Grenades and briefly appear in a minigame in Hideout Helm. They must be shot with a weapon two times to be defeated except for Chunky's Pineapple Launcher. First time shot makes them sputter and smoke