Kousei Minami

 is Johji Minami's father and captain of the Spaceship "Space Angel of Space Knight Tekkaman. He died prior to the Waldastar's strike with no remains left.

Trivia

 * According to the Laserdisc Box profile, the writers planned in the anime's abandoned 3rd cour that he survived but was subjugated by the Waldastar to become their Tekkaman and fight his son to the death.
 * This idea was rejected but the scenario planned in the same tragic fashion in Tekkaman Blade.