Nationality Japanese
Nicknames

1. FCケルン - 1. FC KOLN as a player.
ブレーメン - BREMEN as a player.

全日本 - ALL JAPAN as a head coach.

Member of the japanese soccer association, he'll refuse the inclusion of Tsubasa in the Japanese national team, considering that it's too soon (Captain Tsubasa arc, chapter 111, pages 12-13). However, he'll change his mind after seeing him play against the national team, although himself managed to stop him, he will allow Tsubasa to stay, judging him to be good enough to be in the national team (Captain Tsubasa arc, chapter 112, pages 10 to 22).

Abilities
He's former pro soccer player, who managed to win the bundesliga and was also runner up twice (Captain Tsubasa arc, chapter 112, pages 16-17).

Ball stealing
He can take the ball from Tsubasa and make him fall hard (Captain Tsubasa arc, chapter 112, pages 18 to 21).

He's a real-life person, and you can check his page on wikipedia for more facts about him.

He never was coach of the national team in real life.