The biggest influences, IMHO, would be: Metropolis Forbidden Planet Star Wars and Terminator. From the Japanese end, I'd say Mazinger Z, GoLion (Voltron 5 lions over here), Gundam 0079 (and of course later versions), Macross, and to a lesser extent Dougram, Aura Battler Dunbine, Armored Trooper VOTOMS, and just about…