Seikichi Mochizuki

is the grandfather of Hiroshi Mochizuki and the father of Dr. Mochizuki. A scientist like his son, albeit a harmless and benign one, he took care of his grandson following the Doctor's disappearance.
==The Masked Rider: Kamen Rider ZO==
Through his appearance in ZO, Seikichi Mochizuki is featured in The Masked Rider: Kamen Rider ZO.
==Behind the scenes==
===Portrayal===
Seikichi Mochizuki was portrayed by . In The Masked Rider: Kamen Rider ZO, he is dubbed by an unidentified voice actor.
==Navigation==
Category:ZO Characters
Category:Allies
Category:Civilian
Category:Relatives