Mario Club Co., Ltd. is a debugging subsidiary under the Nintendo Licensing Division in Kyoto. It is sometimes refereed to as the Kyoto research center. The Super Mario Club are typically credited in many Nintendo games, though they go under various different, albeit very similar, names including Super Mario Club, (Super) Mario Club staff, NCL Super Mario Club, and Super Mario Club Debug Team. They have been credited for debugging, testing, and, most commonly, are listed under the special thanks