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Badley is the captain of the Bakut Pirates and the main antagonist of Kaizoku Sentai: Ten Gokaiger. In his human disguise of Hiroto Hattori, he is the director of the Super Sentai Battle Colosseum and involved in a conspiracy with Japan's Minister of Defense to build an army of key clones.
He is voiced by Tsuyoshi Matsubara.
In the past, Badley and his crew ravaged 129 planets by disguising themselves as their inhabitants and infiltrating them to destroy them from the inside.
Badley and his cohorts, Rem and Agdaros, ambushed Captain Marvelous while he was sailing in the Gokai Galleon and crashed it.
Badley and his pirate crew later came to Earth, where they were responsible for setting up the Super Sentai Battle Colosseum, a place where key clones of the Super Sentai would fight each other and spectators could place bets on who would win. Badley took the human disguise of Hiroto Hattori, and convinced the various Super Sentai teams to hand over their powers under the pretense that the funds of the Super Sentai Battle Colosseum would go towards defending Earth. Secretly however, Badley and his crew were involved in a conspiracy with Japan's Minister of Defense to use the key clones to build an army and take over the world.
Marvelous, who didn't trust the Colosseum at all, refused to give up his key and came to Earth to shut it down. After hiring Luka Millfy to bring Marvelous in, Hiroto made a deal with Marvelous, offering to shut the colosseum down if he could defeat 100 Super Sentai rangers in 1-on-1 matches. But, if he lost, he would have to give up his key to the colosseum. Marvelous managed to defeat 99 Sentai rangers to make it to the final round, a match against his former crewmate Gai, who was a supporter of the Colosseum. Marvelous managed to overpower Gai but, before he could defeat him, Badley had Rem intervene to give Gai the advantage, allowing the silver Gokaiger to defeat Marvelous. Suspecting something suspicious, Marvelous refused to give up his keys and was rescued by Ahim before the Colosseum could capture him.
Just as the Bakut Pirates were making preparations with the Minister of Defense to complete their army of key clones, Luka crashed the meeting and exposed them on live television, using the Shield of Veritas Ahim had stolen from Crystalia to expose the Colosseum administration's true identities as the Bakut Pirates. After escaping with help from Don, Luka joined with the rest of her teammates to face the Bakut Pirates Badley, Rem and Agdaros. While Rem and Agdaros fought Gokai Pink and Yellow and Gokai Green and Silver respectively, Badley battled Gokai Red and Blue. However, using a gem from the Gokai Galleon, Marvelous was able to infuse pieces of the Galleon into himself and his teammates to give them super forms. As the other Gokaigers destroyed Rem and Agdaros with the powers they had been given, Marvelous and Joe beat down Badley. The other Gokaigers then combined their pieces with Gokai Red to create Ten Gokaiger, allowing Marvelous to use his new powers to finish Badley off.