Katsuhiko Teshigawara

Katsuhiko Teshigawara is a side character in Kimi no Na wa.. He is a close friend of Mitsuha and Sayaka, as well as an expert with machinery; particularly explosives. Tessie is a young man with an average build and height. He is slightly tanned, has thick dark eyebrows and a friendly smile. Tessie sports black hair which is kept distinctively shaved, and he has hazel-colored eyes. He was often depicted in his school uniform. After the timeskip, Tessie has grown taller, developed a more muscular build, and it appears that he has grown a small stub.