Bio Robo (バイオロボ Baio Robo): Coming from the Bio Star 500 years ago, it is the BioRobo that showers five youths with Bio-particles. It is the BioRobo that also gathers our five protagonists together, literally picking them up like action figures. It is also semi-sentient, showing fear at the arrival of Silva. It is formed from the two Bio Jets when the command "Fusion! Hyper Cross!" (合体!ハイパークロス! Gattai! Haipā Kurosu!) is given. It is armed with the Super-Maser (スーパーメーザー Sūpā Mēzā) sword and it destroys monsters with a variety of finishing attacks including, but not limited to, Concentration (コンセントレーション Konsentorēshon), Comet Cutter (コメットカッター Kometto Kattā), Chainsaw Cutter (チェーンソーカッター Chēnsō Kattā), Straight Flush (ストレートフラッシュ Sutorēto Furasshu), Pinball Sting (ピンボールスティング Pinbōru Sutingu), a