Ripper was a male rat member of Plugg Firetail's crew. He didn't have a tail, possessed only one eye, and was missing half an ear. He accompanied Slitfang on the expedition which later led to the capture of Scarum, Sagaxus, and Kroova, and was sent back along with Scummy and Tazzin to bring the news to Plugg.
Ripper was part of the ill-fated gang who attempted to burn down the main gates of Redwall Abbey. He showed a dislike for Princess Kurda on two occasions; once onboard the Seascab when he openly refused an order from her, and once in a secret conversation with Tazzin. Ripper was a minor character, nothing else is known about him.