Omicron (aka Wallace Villox), the main antagonist of the Ghost Combat or Oddyse Grail series, which every enemy of not only Ghost Combat but also all superheroes. He started out as a youngster at the age of 15 as a Ghost Combat fan who calling himself "Elastiman" who wanted to be like a gentleman but was treated by his idol, however, who turned into hatred, who has a plan to kill a superhero.

His omicron abilities, he uses his daggers in his suit armor, he uses his flying weapon, he uses his death grenade, his Wallace Villox venom on the flying beasts in the masque. Becoming a semi-Islamist who commands Sevastaphon and their legions.

Omicron applied to his pseudo Arabic named "Walas Filuks / والاس فيلوكس", due to his being given to gain their purpose and order.