Head: C.L.A.W.s Commander (mod)
Chest: Razor Trooper (mod)
Arms, Waist and Legs: Sand Scorpion

Shoulder Pads: Iron Grenadier

Overlord is the General for Serpentors COIL Army and leads the battle for Cobra Island in the Devils Due comics. I hope Hasbro makes one in the next year or so as well.