Rotor hails from Walrus Island in the North Sea where his family was part of the Walrus Herd. His father, Sherman Walrus, was a veteran of the Great War, serving as a member of the Royal Army along side Jules, Bernadette and Sir Charles Hedgehog as a driver for their troop. Along with Rotor's mother Georgette Walrus, Sherman had relocated from Iceborough seeking a better life for his family. Rotor was in Mobotropolis for educational purposes during Dr. Ivo Robotnik's coup d'état but was evacuated to Knothole Village along with the other children in the city. His father perished while resisting Robotnik's takeover, while his mother-then pregnant with his younger brother, Skeeter Walrus-returned to the Northern Tundra. Inspired by the Original Freedom Fighters, Rotor joined with Sonic, Princ