Original Name 성 진우 Romaji Name Jin-Woo Sung Nicknames The World’s Weakest Hunter Series Echo Age 24 Weight N/A Height N/A Date of Birth N/A Blood Type N/A Jin-Woo Sung Personality Jin-Woo Sung, also known as Echo, is the main protagonist of the anime series “Echo”. He possesses a complex and multifaceted personality that undergoes […]