Robotnik's loyal assistant, tech expert who eventually questions his master's methods.
Stone serves as Robotnik's established assistant.
Robotnik reunites with his assistant Agent Stone after arriving back on Earth.
Stone obtains intelligence by observing Walters.
Stone overhears Walters receiving information about a secret research facility and recognizing it as the site of Project Shadow.
Explore the full interactive character relationship map of Sonic the Hedgehog 2
Related entry on Wikidata (Q131892621), public domain (CC0).