Thank you! He's scratch built from greenstuff sculpted around a AoBR Dreadnought (with Dread shoulder pad on the left arm). The Venom Cannon is from an old Tyranid Warrior accesorries sprue, the legs from a Carnifex, and the Scything Blades/Choppa is the helicoptercopter blade & chopped down front end of a Dethcopta from the AoBR set.