Nationality German
Date of birth 24 March (3109 days full record Data Book)
19 May (Complete special issue)
Height Weight Blood type O (3109 days full record Data Book, Complete special issue)
Dominant leg Right (3109 days full record Data Book)
Nicknames

ハンブルグ Jr. ユース - HAMBURG Jr. YOUTH as a midfielder (n°8).
ハンブルグ - HAMBURG as a midfielder (n°5).
ハンブルグ - HAMBURG as a midfielder (n°5).

西ドイツ - WEST GERMANY (U16) as an under 16 midfielder (n°8).
ドイツ - GERMANY (U19) as an under 19 player.
ドイツ - GERMANY (U20) as an under 20 midfielder.
ドイツ - GERMANY (U21) as an under 21 midfielder (n°8).
ドイツ - GERMANY (Olympic) as an under 23 midfielder (n°8).

大空翼フレンズ - OOZORA TSUBASA FRIENDS.
世界選抜 - WORLD SELECTION as a defender (n°5).
ドイツ - GERMANY (n°5).

Check his appearances in J Boys challenge.

Check his appearances in World youth.

Check his detailed playstyle in J Boys challenge.

Check his detailed playstyle in World youth.

Check his detailed playstyle in Road to 2002, 25th anniversary, Rising sun.

His particular face, looking older than he actually is, and toothpick made some japanese compare him to cartoon hero "Popeye".

He has a habit of shortening some of his teammates names, like "Gen" instead of Genzo, or "Schwe" instead of "Schweil".

His name might come from Manfred Kaltz, who played the '82 World cup which influenced Takahashi a lot for the J Boys challenge arc.