This article is about the human who is Arashi's owner. For the human who is Gil's owner, see Tetsuo (SSY). For the dog, see Tetsuo.

Tetsuo is son of Taro. His family owns Arashi, Fubuki's mother.

Bear Hunter - Fubuki-gō

He became concerned when Jūzaburō came to pick up one of the puppies to be trained, because they were still very small.