Death Skull

The first villain 'The Protector Squad' faced, and a countless enemy of every hero, and one of, if not the most wanted villains on the capture list of the Hero Alliance Corporation, death skull is a sinister criminal. Not much is known about his past before his criminal life. He became a murderer, and joined the terrorist organisation, R.U.L.E, an organisation obsessed with world domination.
He quickly became a top baron, however he wanted to become leader. He assassinated the leader of the organisation, and became it's leader. R.U.L.E was eventually taken down by the Hero Alliance Corporation, however he reformed the remnants of the deformed organisation, and turned it into the dark skulls. He is now recruiting new villains, similar to how the Hero Alliance Corporation is recruiting new heroes. Death Skull owns a wide variety of firearms. He can copy and mimic the fighting technique of his opponent. He is also at peak human physical condition, and has stronger immunity to bullet shots and other hazards compared to a normal human. However Electricity is hazardous to him, and large explosions can kill him.
He was the first villain the Protector Squad faced, and comes back countless times. He escaped from the Hero Alliance Corporation prison, and his whereabouts are unknown.