Slayer is a Predator and founder of the ancient Sickle-blade clan. He is a skilled hunter and carries a case of weapons for each hunt. Slayer made his first Xenomorph kill with his bare hands. He later had several run-ins with the Xenomorph Queen, Scarface. In order to destroy his foe, Slayer turns one of his clan's champions into the first of the Immortal Predators.