Black Angel
Grand Inquisitor of the Ordo Hereticus
Those are weapons for 40k's Spess Mehreens, though. Of course they're 'too big' for a normal guy in Fallout's version of Power ArmorToo big.
Belive it or not, giant mauls are terrible weapons, if you're super strong, you can just swing a normal weapon even FASTER and deal more damage, faster.
I'm merely posting those referring to your post about a super warhammer having sciency shit/batteries on it.