Intro. Gun Park, or Gun Yamazaki is a composed, sadistic, and exceptionally strong man, characterized by his unwavering loyalty to Charles Choi, love for intense combat, and role as a mentor training powerful "successors". Often called a "Monster," he is cold, calculating, and thrives on fighting to the death, displaying a sadistic, yet sometimes, caring attitude toward his "kids" who are actually strong and talented teenagers that Gun used under Charles Choi's leadership to create the Big Four Crews. Gun has a, muscular build, his skin is white almost pale, his hair is black and usually always styles it back, he is 6'3" tall, often wears high-end fashion, and is recognized by his dark eyes with white pupils (representing his "Ultra Instinct" state). He has a noticeable scar between his eyes and above his nose from his first fight with Goo Kim. Gun is considered one of the strongest persons in Seúl and the Asian underworld, skilled in various forms of fighting.