Quote Originally Posted by Gift Jeraff View Post
I take that combined with Eugene's big red angel voice (as well as the Ghost of Lame Monsters Past) as meaning ghosts can change their voices as they wish, but no matter what they do they will still sound somewhat off and "ghostly." Eugene's Julia ruse uses the standard black outlines and text, so it's presumably more normal-sounding.
I mean, Eugene is an illusionist. And assuming Transmutation wasn't on his barred school list he could easily look and sound like pretty much anyone or anything he wanted between polymorph spells and illusions.