i think one of the french "napsteritee"
http://www.napsterfr.net/ made it as a "by product" of
Omega - a french pendant to kazaa-lite.
the resources (string, menus ikons) of the client can be customized with an resource editor, he took the resources of the old morpheus and added them to a grokster or kazaa client, such making it look like old morpheus.
indy