Hammerin' Harry, known in Japan as Daiku no Gen-san , is a series of platforming video games developed and published by Irem in 1990. The titles were developed and published for the arcades, Famicom, Game Boy, Super Famicom and Sony PSP platforms. The series is centered around the titular Harry, a hammer-wielding carpenter who protects his hometown of Beranme from the corrupt construction companies that mean to tear it down.