Chad was a Fremennik warrior that was amongst the first to engage the Penance in combat after they were spawned by Cacus. Chad was responsible for discovering a method by which the Penance Queen could be slain. Chad is most well known for inventing the CHAD method, used during the Barbarian Assault minigame to combat the Penance Queen. The CHAD system is an acronym of its inventor's name, standing for "Collector, Healer, Attacker, Defender"; the order in which the omega egg is made.