At least two artists share the name Nick Charles, a soul musician and DJ and a guitarist.
1. Nick Charles was a DJ and recording artist on the Stax-Volt soul label.
How about a great Australian acoustic blues player with the same name? Check him out at http://www.australianbluesmusic.com.au/Artists/Nick-Charles.aspx or http://www.theaustralian.com.au/arts/review/into-the-blues-nick-charles/story-fn9n8gph-1226517600268