Judas priest = bob Dylan song.....The Ballad of Frankie Lee and Judas Priest....that's where they got the name....check it out you have the Internet!!!
as for other cool names..
Marduk = name is derived from the Babylonian name of a late-generation god from ancient Mesopotamia, Marduk, patron deity of Babylon.
Mesopotamia is also now known as Iraq.
testament = Definition: A solemn, authentic instrument in writing, by which a person declares his will as to disposal of his estate and effects after his death.
Can be replaced easily with "her"..."their"
but enough of that horse shit...
it depends on the band and what they are conveying.
One would have to look into a bands actual meaning and see if it applies