James Dewees ( born March 13 , 1976 ) is an American musician who has been involved in many musical projects including The Get Up Kids , Reggie and the Full Effect , Coalesce , New Found Glory , and My Chemical Romance . James Dewees ( born March 13 , 1976 ) is an American musician who has been involved in many musical projects including Coalesce , The Get Up Kids , Reggie and the Full Effect , New Found Glory , My Chemical Romance , and , most recently , Leathermouth .