Grax was an infrequent foe not only of the Superman of Earth-One but also of Brainiac, before graduating into a Super Friend's fiend. Creator2 first attacked Earth-Two's Man of Steel before he turned his attention of Superman's Justice Society comrades.
Grax retired into anonymity after narrowly escape of his vessel, and after his unsuccessful forays against the five friends of freedom. Meanwhile, Creator2's vessel exploded while under attack by the Spectre, Doctor Fate and Johnny Thunder. Ouch!