all of them
utromdroids are the robotic bodies that looks just like the kraangdroids who created by the kraang .they wear created by the utrom too.kraang prime and kraang suprime uses both ultimate kraangdroid and spy kraangdroid.bishop and pawn uses both utromdroids.but pawn does not allowed to wear human body.both utroms named klaatu and niktu wears both human bodies so they could go to earth to find a evil alien lizard named newtralizer in when worlds collide.