Hard Head (stylized as HAP.D HEAD) originally known in Korea as Dr. Bulgehead (hangul = 짱구 박사|RR = Jjang-gu Bagsa|MR = Jjang-gu Baksa), in which both the original title and characters were loosely based on a comic book series of the same name, created by painter Woo-young Koh with his author and brother Go Woo-young. This is an obscure 2D side-scrolling platform game that was developed and produced by SunA Electronics of an unknown team of game designers/programmers, and internationally released only for the arcades from South Korea to arcades worldwide during the 1988 Summer Olympics.