Colleen is known for being cheerful with a rapier wit, and she is also calm under pressure. She has a lively sense of humor, and is quite close to most of her teammates.
Colleen is extremely skilled at martial arts, able to fend off multiple attackers at once. She is also extremely quick-witted and agile, and her medical skills have come in handy many times.
Colleen is close to most of the other Rovers, aside from Blitz, who frequently annoys her with his advances. She and Exile have been seen as being good friends, and she gets along well with Shag and Muzzle as well. Her closest friend is Hunter, to whom she serves as second-in-command of the team. She is clearly in love with him, and he has shown signs of returning her affections.