謎の宇宙船ドクロ号の船長。正体不明（実はラミアの兄）だがゲルマ帝国と敵対しており、シロー達に有用な情報をもたらす。 Captain Halley is the mysterious Captain of The Skull, the ship which both evades and assists X-Bomber during the run of the series.
