Lin Koshi is a member of the exploration team who come to survey the country of Kakin with Kite. He is a short man with round glasses, and is usually seen nervous and stuttering. He has already discovered more than 1000 new species of animals even before meeting Gon and Killua. Kite has stated that Lin and his fellow amateur Hunters in the Kakin Exploration Team have excellent potential to be pro-hunters.