BullBlack (ブルブラック Buru Burakku) was the Black Knight I (初代黒騎士 Shodai Kuro Kishi) who seeks revenge on Captain Zahab for the destruction of planet Taurus and the death of his younger brother, Krantz. Although BullBlack shares the same goal as the Gingamen in fighting the Space Pirates Balban, he is not an ally to them and the two frequently clash due to his willingness to sacrifice innocent people. His mecha is Heavy Starbeast GoTaurus.