Koby is a small, timid, chubby boy with kobi pink hair and round-frame glasses. Koby remained timid and cautious. Under Garp's instruction, his timidity has been replaced with confidence, although he remains polite, self-effacing, and apologetic if he feels he has done something overly ambitious, he has an immense amount of determination. Koby knows his way around the ship more than everyone else, as he’s had training before becoming a marine. He was on a pirate ship for two years as a captive