If you are looking for the side-quest related to Rufus, we advise you to go to the Akuda Bar page.
Rufus is a male carcharodon sapiens and one of the hovercraft racers. He is only seen outside of his hovercraft racer in the Akuda Bar; there he is sitting at a table along with Miss Seven. He is wearing a blue overall, which corresponds with the colors of his hovercraft racer. The number pressed on his arm sleeve "12", indicates his racing number.