Not to rain on anyone's parade, but based on some of the information from the manga, it is probably impossible for them to have children together. Belldandy is a 10 dimensional being, and her body we see on earth is a magical emulation of a body that is constantly regenerating at the atomic level. Earth medicine and alcohol don't have the same effect on her that they do on a human, and Urd's drugs have different effects on gods and mortals. Keiichi is 4 dimensional (length, width, height, and time).
It would be like trying to have a child with a photograph.
To do it, Belldandy would either have to become completely human, or K1 would have to become a god. I prefer the second option.
If they did pull it off though, Megumi would be a good choice (even though it is Keiichi's sister's name). Megumi means blessing.
other choices:
Yume - dream
Tsubasa - Wings
Sora - sky
Shinko - faith
Kenshin - Devotion
Kokoro - heart
Hayasa - Speed
Maho - magic
Hikari - Light
Larry
19-Feb-2005