[Jackieboy]

prime would take pre-retcon doomsday and any incarnation after that.
we know the kid can fight hard,some of his feats>>>surviving the destruction of a universe twice,breaking through reality,rampaging across realities,fighting two supermen at once whilst being flown through a kryptonite belt and the heart of a sun,burning an "S" into mxylpyxlyx face,punking black adam,punking the black lanterns,punking teen titans,punking the lantern corps,punking the anti-monitor,punking die hard fanboys yeah superboyprime for the win.