17:33
@Gao Dragon, Luffy's father, first appearance in the show is in Logue Town, even before they climbed Reverse Mountain and entered the Grand Line.
There is a recurring joke that the mark/tattoo on his face is the Garp footprint (Luffy's uncle) that hit him at some point out of anger because he joined the revolutionary army instead of the navy
had totally forgot about it until someone posted the image again on reddit.
