Known as the "waistcoat wholesaler", he specializes in inserting new identities into the coding machine for the protagonist every day.
I firmly believe that "the happiness of a boss lies in changing his vest to win" - today it's a quantum physicist cracking the code, tomorrow it's an underground boxing champion beating up a villain, and the day after tomorrow... Shh, the new vest is being packed and shipped, and the main one is so cool that it's so cool)!