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|Lives:||Hikawa Shrine, Azabu-Juuban, Minato-ku, Tokyo|
|Family:||Rei Hino (granddaughter)|
|First Anime Appearance:||Cursed Buses! Fire Senshi Mars Appears|
|First Manga Appearance:||Act 5 Makoto SAILORJUPITER|
|First PGSM Appearance:||N/A|
|English Name:||Raye's Grandpa (DiC dub), Rei's Grandfather (Viz dub)|
|Actors:||Tomomichi Nishimura (anime); Hirohiko Kakegawa (Crystal); David Fraser (dub: first season, R, SuperS), John Stocker (dub: S); Michael Sorich (Viz dub: anime), Todd Haberkorn (Viz dub: Crystal)|
Rei's Grandfather was Rei Hino's grandfather. He appeared in the anime, manga, and Sailor Moon Crystal, but did not appear in Pretty Guardian Sailor Moon. He was sometimes called Grandpa Hino by fans, even though it was never explicitly stated if he was Rei's paternal or maternal grandfather.
He was a Shinto priest and also a notorious lecher, to the point that in the anime a magazine printed an article warning girls about him, much to Rei's disgust; she noted in his first appearance in the anime that he would attempt to hit on anyone regardless of gender. Despite his lecherous ways, he was very protective of Rei and worried about her a lot. He did not like the idea of Rei and Yuuichirou being together as he did not think Yuuchirou was worthy of his granddaughter. He was one of the reincarnated Seven Great Youma and was transformed into Jiji when Zoisite removed the Indigo Rainbow Crystal from his body.
He played a much bigger role in the anime than in the manga, where he appeared only three times and looked drastically different (but still seemed to be lecherous).