|This article is about a/an transformation device in Juukou B-Fighter.|
- ―Transformation call[src]
Black Commander (ブラックコマンダー Burakku Komanda) is Shadow's transformation device to transfrom into Black Beet. Shadow shouting "Jakou!" became a formidable opponent to the other B-Fighters as Black Beet, whose armor was modeled after a Longhorn beetle. To prove his own existence, he tries to kill Takuya.
- Black Commander was really black.