Origin
As Ajax he joined the Pantheon where he fell in love with his teammate Atalanta. His diminished intellect caused him to believe that she loved him in the same way, and when he found out that she was seeing Achilles he went ballistic. After the destruction of the Mount, Ajax is one of the few super powered members of the Pantheon to stay with the team.
Creation
Ajax was created by Peter David and Dale Keown in 1991 and first appeared in The Incredible Hulk # 379.