Kogorō is a minor character of Ginga Densetsu Weed in the Anime only.
He is the son of Kisaragi, the nephew of Hazuki, Minazuki and Uzuki, and the uncle of Harunobu, Hiroshi, Kuranosuke, Masami and Masaru. In the Manga he's the brother of Denshichi, Izō, Kazuki, Miu, Saburō, Shinsaku, Shūsaku, an unnamed brother, an other unnamed brother and ten other brothers. In the GDW Anime he's the brother of Izō, Kichinosuke, Shinsaku, Shintarō and Shūsaku.
- If going after his name (小五郎 transl.: small fift son), he could be the fift-born of the litter.