Kihei Itou

He's a character from "Yotsuya Kaidan".
Kihee is the grandfather of Oume Itou. He is a rich man who took Oume in when his parents died. In order to marry his granddaughter to Iemon, he doesn't hesitate to bribe the latter with a large sum of money as well as with a powerful poison to kill Iemon's wife, Oiwa.