Rufus is generally portrayed as pink, small and light, and very agile, which proves useful time and again. He shares several things in common with his owner: his love of Bueno Nacho food (and subsequently, the Naco), his ability to eat with practically no concern about the food he is eating, sharing Ron's disgust for others, and an overall laid-back, casual attitude. However, unlike Ron, he has been known to abandon this attitude at crucial times, often using quicker thinking than his owner. Rufus tends to display frustration with Ron when he uses him in an embarrassing way or fails to give him (or others) due credit. However, he has generally stuck by Ron in virtually every situation, and though he does not have the same fear, has the same overall dislike for monkeys. Rufus communicates with Ron through a series of squeaks and hisses which Ron seems to understand. Rufus also possesses mystical monkey powers as he was in Ron's pocket when he got his. He has never used them beyond displaying a greater degree of mastery of Yamanouchi ninja training than Ron, as well as once controlling the Lotus Blade.