User blog comment:SolZen321/Noa/Nexus/Next Theory/@comment-1733689-20130809053750/@comment-1395514-20130809210243

Belial is one of Ha-Satan's many names. It means corrupted gain, in hebrew, it was a wise choice as a name for the evil Ultra because of his backstory and how he got all that power.

Also, Lucifer means "Day Star, son of Dawn", it's odd how the name doesn't represent something actually evil, of course that was Ha-Satan's name before his fall on Earth.

Check this out:

http://www.gotquestions.org/Lucifer-Satan.html