Osamu Maruyama

Osamu Maruyama (Wormie Maruyama [わーみー　まるやま], おさむ まるやま, まるやま おさむ, Maruyama Yotarou), creditado como Roteirista e Programador.

Aparece nos jogos: MLB Power Pros 2008, MLB Power Pros, ESPN International Winter Sports 2002, Hybrid Heaven, Mystical Ninja Starring Goemon, Ganbare Goemon Kirakira Dochu: Boku ga Dancer ni Natta Wake, Ganbare Goemon 3: Shishi Jurokubee no Karakuri Manji-gatame, Ganbare Goemon 2: Kiteretsu Shogun Magginesu, Tiny Toon Adventures: Buster's Hidden Treasure e Teenage Mutant Ninja Turtles: The Hyperstone Heist.