Saotome Nodoka, Obaa-san (to the Tendou sisters).
First Appearance: Manga volume 22
History:Saotome Nodoka is the mother of Saotome Ranma, who
stayed at home while Genma took Ranma on their training trip. She is
very focused on making sure that Ranma is manly, because an agreement
was signed by both Ranma (yes, baby Ranma ^-^) and Genma that Ranma will
grow up to be manly, or committ seppuku.