masatoshi hamada (born may 11, 1963 in naniwa-ku, osaka) is an japanese comedian, actor and director. hamada is probably best known for being one-half of the comedy duo downtown also with member hitoshi matsumoto. while apart of downtown, hamada and matsumoto made two television shows, downtown no gaki no tsukai ya arahende!! and hey! hey! hey! music champ. he also voiced japanese dubs of the characters "shrek" in the shrek series, "buck the diesel" in thomas and friends and "slowking" in . he is married to his wife natsumi ogawa and they have two children.