Hyuk Kwon or Hyeok Gwon, also known as the Grim Reaper, is a member of the Sabbath Group. He is a quiet individual who seems quite curious. He has a part time job outside of his crew. He is ruthless and is known to take down anyone who rides too close to him. when he is not racing he will be doing other things, we can see that he "enjoys" the attention of doing bicycle tricks in public. master the Jackknife bicycle technique - balancing on the front wheel.