chatmonchy (チャットモンチー, chattomonchii) is a two-piece (formerly three-piece) pop-rock band from Tokushima Prefecture on the island of Shikoku, Japan. Since 2005, they have been signed to Sony Music Japan's Ki/oon Records record label. The band's name has no particular meaning. * In 2000, Hashimoto forms chatmonchy in the city of Tokushima, Tokushima Prefecture. At the time of its formation, chatmonchy consisted of a total of six members -- two vocalists, two guitarists, a bassist, and a drummer.