Minatomo (Wano)

みなともさん, Minamoto-san
Minatomo is a legendary carpenter in Wano Country and the leader of a guild that Franky joined to get access to the blueprints of Kaidos fortress. He is related to another person whose name is also Minatomo who is a descendant of someone who traveled from Wano to East Blue.Source: One Piece Wikia