Your geeky friends and obsessed uncles will debate until they’re blue in the face over who deserves the hallowed “Fifth Beatle” mantle, but Paul McCartney once famously assigned the title to the man who discovered his band, and worked behind the scenes to secure their mega stardom: Brian Epstein. Though the Beatles’ manager may seem an unlikely subject for a graphic novel, one of the creators of Green Day’s American Idiot musical will tell the troubled English entrepreneur’s story in The Fifth Beatle, to be released by Dark Horse Comics next year.