Shadelock

Shadelock is a Decepticon bounty hunter, who works with Starscream in Transformers: Robots in Disguise.

History
When Starscream returned to Earth, he hired Shadelock and his minions, Roughedge and Insecticon Bounty Hunter for help. Starscream's mission was find the Weaponizer Mini-Cons. When the Mini-Cons went off to Denny Clay's Scrapyard, Shadelock and his minions abducted by mistake Bee Team's Mini-Cons, Fixit, Jetstorm and Slipstream. When Starscream learned that Bumblebee was in Earth too, he also wanted him too. But Bee Team saved the Mini-Cons from Decepticon Scavengers and Starscream's Crew, and then Optimus Prime brought them back to Cybertron.