The Autobots stopped Destro from selling Cybertronian technology. When Prowl cornered Destro, a contingent of Annihilators and T.A.R.G.A.T.s arrived to retrieve him. An Annihilator took Destro to safety while the others faced the Autobots.
Animated continuity - DiC
Annihilators only appeared in Operation: Dragonfire and never spoke.
Appearance: orange helmet with purple visor; orange shirt with purple vest and gloves; gold braids on vest; purple and orange pants with silver holsters and gold buckle; purple boots with gold laces
Accessories: light grey helicopter backpack with detachable support and propeller; black control arm and backpack-mounted machine gun; short, black submachine gun with trigger guard, large scope, and long magazine between two grips.