Gunma is a scientist raised by Dr. Takamatsu. He is childish and eccentric and a bit of an airhead, and has a slight obsession with designing his inventions to look like swans. He originally thought his father was Luzar but it turned out to be Magic. He is Kotaro's only biological brother. While technically Magic's eldest son, after it was revealed that he and Shintaro were switched at birth

In this sequel series, events continue four years after they left off in the first series. Papuwa-kun is a mysterious boy who lives on a new tropical island full of the same crazy creatures. Along with his maid, Liquid, and his new amnestic friend, "Rotarou", they lead nonsensical adventures as they try to evade and confuse the Ganma Army, Special Corps, and even the Shinsengumi from discovering Rotarou's real secret and taking him away.
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(Source: Anime News Network)

[Twitter](https://twitter.com/i/user/267684720)

Affiliated with Gokū and 21st Century Fox. Best known for the roles of Ranma Saotome (Ranma ½), Tombo (Kiki's Delivery Service), Yattaro (Kyattou Ninden Teyandee), InuYasha (InuYasha), L (Death Note), Usopp (One Piece), Hideyoshi (Law of Ueki), and Kaito Kid and Shinichi Kudo (Detective Conan). He made his first public appearance in North America at Otakon 2008.

Father of [Ryuunosuke](https://anilist.co/staff/278275/) and [Akane Yamaguchi](https://anilist.co/staff/210640/).

He claims to enjoy playing crazy or insane characters; Greed (Fullmetal Alchemist) and Asura (Soul Eater) being some of his favorites.