In order to release it outside of Japan, Kemco bought the rights to Warner Bros.' Looney Tunes franchise to produce Looney Tunes-based video games, while the looks of some other Looney Tunes characters featured in the game as enemies have similarities to the Toon Patrol.
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Kemco later produced their Mickey Mouse versions in the Crazy Castle series and released most of these versions exclusively in Japan, while continuing their Looney Tunes versions outside of Japan; however, some were based on other licenses such as Jim Davis's Garfield comic strip and The Real Ghostbusters animated television series.
Game(Family Computer) Legend of the Galactic Heroes: My Conquest is the Sea of Stars by KEMCO