DiamondHead

Diamond Head was first used in "And Then There We Were Ten" Diamond Head ca shoot diamonds and shape sit with his hands. Diamond Head was one of the 6 aliens to reappear in Ben 10 Alien Force(the others were Cannonbolt,Upchuck,WayBig,and Ghostfreak) In Ben 10 Alien Force his appearnce has changed alot like his head and cloths turned dark blue and his diamonds just turn more darker.
His appearnce in Ben 10 Ultimate Alien is just like the same in Ben 10 Alien Force