Actually, I read about the Force Vampire a while ago on wookieepedia and that's where the Tel Angor story comes from. I'm not exactly sure if he was inspired by Nihilus, or if it was the other way around.
On another note, I am glad that someone took the time to leave a comment. Thank you very much beehoon, I really appreciate this. Like I said before, I don't care if the comment is positive or negative, I want to hear what people who read this think about it.