Originally Posted by
Timothy Hunter
Thanks, but it's still murky whether of not Grant Morrison's Frankenstein and the Bronze Age Frankenstein are supposed to be the same character or not. All I found was this, which is completely based on fan conjecture:
"The Spawn of Frankenstein did survive the Crisis, as shown by his appearances in Young All-Stars #18–19. However, he was later seemingly replaced in continuity by Frankenstein. This is presumably a consequence of the reality-altering Zero Hour. It is unclear whether any of the Spawn of Frankenstein's adventures still happened, but enacted by Frankenstein instead"