Nationality Japanese
Date of birth 6 October (3109 days full record Data Book)
Height Weight Blood type B (3109 days full record Data Book)
Dominant leg Right (3109 days full record Data Book)
Nicknames

花輪サッカー少年団（花輪SS） - HANAWA SOCCER BOYS GROUP (HANAWA SS) as forwards (Masao n°9, Kazuo n°10).
花輪中学校 - HANAWA JUNIOR HIGH as a forwards (Masao n°9, Kazuo n°10).
秋田商工高校 - AKITA COMMERCIAL SENIOR HIGH.

ジェフユナイテッド市原 - JEF UNITED ICHIHARA (Masao n°40, Kazuo n°41).

全日本 - ALL JAPAN (U16) as under 16 midfielders and forwards (Masao n°2, Kazuo n°3).
全日本 - ALL JAPAN (U19) as an under 19 players (Masao n°2, Kazuo n°3).
全日本 - ALL JAPAN (U19) as under 19 midfielders (Masao n°2, Kazuo n°3).
全日本 - ALL JAPAN (U20) as under 20 midfielders (Masao n°2, Kazuo n°3).
全日本 - ALL JAPAN (U22) as under 22 midfielders and forwards (Masao n°2, Kazuo n°3).

修哲小 FC - SHUTETSU FC (Masao n°2, Kazuo n°3).
大空翼フレンズ - OOZORA TSUBASA FRIENDS.
日本選抜 - JAPAN SELECTION.

Check their appearances in Kids dream.

Check their appearances in Boys fight.

Check their appearances in J Boys challenge.

Check their appearances in World youth.

Check their detailed playstyle in Kids dream.

Check their detailed playstyle in Boys fight.

Check their detailed playstyle in J Boys challenge.

Check their detailed playstyle in World youth.

A popular theory in Japan was that the Tachibana's inspiration were Teguramori Makoto and Hiroshi, twin brothers who played in the high school soccer tournament. It most probably isn't the case though, since Takahashi never confirmed and they became known around 1986, while the Tachibanas appeared in the manga in 1982.