Elon Musk - Wikipedia
https://en.wikipedia.org/wiki/Elon_MuskAccording to Musk and Grimes, his name was "X Æ A-12"; however, the name would have violated California regulations as it contained characters that are not in the modern English alphabet, and was then changed to "X Æ A-Xii". This drew more confusion, as Æ is not a letter in the modern English alphabet.