Okay, I am not Superman, but at least I can claim Kryptonian heritage
William-Am sounds like that guy from the Black Eyed Peas, or else an attempt to conjugate the first person singular form of the verb "to be" in Bizarro-speak, but I'll gladly take it (especially since my house crest is so cool).
This is from the Man of Steel Glyph Creator site. You go answer a couple of quick personality questions and bam, instant Kryptonian. I can only assume my powers are forthcoming. I plan on going cape shopping tomorrow.