Roll is shown to be sweet, kind, and optimistic. She is a caring individual with a big heart. She doesn't fight Robot Masters as much as her brothers, but she does if she has the chance. She is supportive and compassionate, especially to Mega Man, Proto Man, and Dr. Light.

However, in Mega Man 11, Roll seems to be a jerk to Auto: when the latter asks to take a break from his work in the opening, the former snarkily states that she does not need a break. In the ending, she demands that Auto work