Board Thread:Warhammer 40k General Discussion/@comment-174.29.167.53-20140528015653/@comment-72.219.185.243-20180606171428

Judging by how much of 40k is directy adapted from AoS, I'd wager that his original name would be "Sigmar". It's simple, it's powerful, it's ancient-sounding, and it'd fit with the Fantasy parallels as Sigmar is the "God of Humanity" in that universe.