Roughstuff
Roughstuff is the poster-child for "trigger-happy". (Actually, Triggerhappy is the poster-child for "trigger-happy", but Roughstuff can be the poster-nephew, or something.) At the slightest hint of a target, he'll fire. "Verifying the target" and "aiming" are for sissy-bots.
In a rare sign of wisdom, his superiors have transferred him very far from the front lines. This has just made him even more hungry for things to shoot at.
Team : Decepticons