What is the birth name of the person who inspired the song My Girlfriend?
My Girlfriend (Relient K song):  The song is about Marilyn Manson eating Matt Thiessen's girlfriend. Marilyn Manson: Brian Hugh Warner (born January 5, 1969), known professionally as Marilyn Manson, is an American singer, songwriter, musician, composer, actor, painter, author and former music journalist.
Brian Hugh Warner