Yo.
Gi Joe, or Transformers? Which do you choose?
For whatever it's worth, I'll pick
GI Joe-- even though as a kid, I loved them both equally, I suppose the "fantasy" is at least tacitly more achievable that you could become a GI Joe soldier rather than become a transforming robot.

for my table-top RPG-era self, I created several superheroes with
GI Joe as an influence..