Saillaint  

, 大巨人

In episode 19 of "One Piece," Saillaint is an enormous creature that develops feelings for Yoko despite being set up on a blind date with Ranze. He is portrayed by Hiroaki Tanabe, who also provides the voice for the Demon King. It's possible that Saillaint has been alive for over 10,000 years, as it's stated that giants only get one day of rest every ten millennia.