Koby and Smoker are strong Admiral choices based on their potential and growth. Admirals are the Navy's strongest soldiers, ...

Luffy’s grandfather ... later in the series, Garp rescues Koby, going as far as potentially sacrificing his own life to give the young Navy soldier a second chance. One Piece just released ...

X Drake may be the next to inherit ... have a character trying to follow in their footsteps, Roger has Luffy, Garp has Koby, ...