Sotatsu Jikei'ien

Sotatsu Jikei'ien is a calligraphy expert and a practitioner of Martial Arts Calligraphy. His only appearance is during Ranma's Calligraphy Challenge episode, where he challenges Ranma to a fight. He does not make an appearance in the manga.

He is usually serious, but sometimes exhibits uncontrollable fits of laughter.