畠山俊昭 (Hatakeyama Toshiaki) or はたけ (Hatake), real name 畠山俊昭 (Hatakeyama Toshiaki), is a Japanese composer, as well as the leader and guitarist of the band Sharam Q. He has done composition, arrangement, and other work on various Hello! Project releases.
Birthday: August 17, 1968