was a Japanese hard rock/power metal band formed by Takenori Shimoyama (Sixride, ex-Saber Tiger) and Norifumi Shima (Concerto Moon) in 2000. They toured France in the same year as an opening act of Symphony X. They had two albums that charted on the Oricon Albums Chart, with their second record, Deride At The Top, reaching their highest ranking at 26. Double Dealer's activity was suspended intermittently, and indefinitely stopped in July 2007.