Vengeful and greedy, Marus is the Imperial bureaucrat who ruined the Shen family ten years ago. He is the sponsor of the Cloud City Grand Prix, and in charge of negotiating the tibanna gas trading for the secret trade route.

Grayson is motivated by money and renown.

Marus Grayson is a handsome older human male in his late fourties. His hair is dark brown, worn combed back from his face. Two stripes of grey pull back from his temples. He wears a thin, well-kept goatee and wears an expression of proudness or annoyance, depending on his mood.