Real Name: Erik Stephan Josten

Current Group Affiliation: None

Former Group Affiliation: Lethal Legion I-III, Masters of Evil IV, Masters of Evil VI, Emissaries of Evil II, Thunderbolts

1st Appearance(as Power Man I): AVENGERS(v.1)#21 (1965)

Known Superhuman Powers: Atlas is charged with ionic energy, giving him to ability to increase his size at will.

Other Aliases: Goliath IV, Smuggler I, Power Man I