Rambo

Rambo was first introduced in the Versus Revolution series of the Duel Masters Anime. He was part of the secret society of Duel Masters Land.

Details
He is the land executive of the park. He is a well built, muscular man and always carry a bazooka with him. His commonly says 'Love and Peace' in certain occasions and firing his bazooka at the same time, much to Hakase's annoyance, which results in conflicts and arguments.

Duel Masters Versus Revolution
He first appears with Basara and Hakase in their base within the park, discussing about their plans. When Hakase explains his plans and his probability of succeeding, he fires his bazooka around,with Hakase laughing, much to Basara's chagrin. After Hakase lost in a duel against Lulu Takigawa through a robot he controls and programmed, he commented it as unbelievable for Hakase to be easily defeated by a girl.

Deck
It was hinted that he uses a Nature Civilization deck.