Species Location Weapon Abilities The spyder gunner, also known as the crab head, is an enemy in Jak II and Jak 3. It is a metal head, first encountered at the pumping station in the missions "Protect Sig at the pumping station" and "Find pumping station patrol". They were again encountered as cloakers in the mission "Hunt Haven Forest metal heads" in Haven Forest. They later made a re-appearance in Jak 3 in the mission "Reach catacombs via palace ruins" near the palace ruins.