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|voiced by = [[Atsushi Ono]]}}{{nihongo|'''Kyosuke Marukura'''|丸蔵 京介|Marukura Kyosuke}} is [[Marucho]]'s father. He's a developer and makes millions by bulldozing homes to create vacant space, especially schools. He is a millionaire, and his wife, [[Shouko Marukura]], collects things such as art and endangered species. He has a factory that creates [[Bakugan]] wrist launchers made especially for the [[Bakugan Battle Brawlers]], which his son is a part of. He is presumably the President and CEO of the [[Marukura Group]].

In ''[[Back In Sync]]'', he contacts Marucho and tells him to quit the Brawlers. He also knew about [[Dan]] and [[Drago (Dan Kuso)|Drago]] leaving, how the Brawlers are falling apart and how [[Bakugan Interspace]] has become more chaotic. He originally wanted Marucho to give up brawling and work for the [[Marukura Group]] in order to fix Interspace. However, when Marucho decides not to, he accepts Marucho's decision after watching Marucho's victory against [[Jack Punt]], saying how proud he is of his son.

{{Secondary BB main characters}} ==Biography=====Anime=======[[Bakugan Battle Brawlers]]====She appears numerous times in [[Bakugan Battle Brawlers]] alongside her husband, [[Shuuko Marukura]]. It is unknown what she does for the family, but she seems to be a kind and caring individual. She also seems to be an animal-lover, collecting animals and placing them in their zoo situated in her home. She is not fazed by Marucho playing Bakugan and is not at all bothered by it.