Rotten Roger, Gilbert the Impaler, Sarah Storm are a trio of Zoid pilots, considered to be three of the best of the league. They piloted a customised Genosaurer, Red Horn and Raynos respectively. The three of them were entered into a battle royale, along with RD and Rastani. Even though the battle was a free-for-all, the four of them teamed up on RD. In they end they were defeated, thanks largely due to Roger deciding to take on the Fuzor all on his own. Though no lines were spoken, all three were present at the final battle against the Seismosaurus. Their names are simply Roger, Gilbert, and Sarah in the Japanese version of the show.

(Source: Wikipedia)

R.D. is a delivery boy who works for a company called Mach Storm in order to earn money to search for the legendary Alpha Zoid. A Zoid that he heard rumours about from his dad that he passionately believes in. Mach Storm also doubles as a Zoid Battling team. In R.D.'s first Coliseum Zoid Battle, he encounters a team that can fuse Zoids. R.D. soon discovers that he has a Zoid that can computably fuse with his Zoid, Liger Zero. After this happens R.D.'s adventure to discover the truth about the Alpha Zoid begins.
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(Source: Anime News Network)

Nicole Oliver is a Canadian actor currently residing in Vancouver, BC. She has a Bachelor of Fine Arts degree from York University, and additional training from the British American Drama Academy in Oxford and London. A prominent member of the Union of BC Performers, she served on its executive board (2002-2005), chaired several committees, and continues to be part of the negotiation team during collective bargaining.