Brilliant but eccentric scientist obsessed with conquering Earth.
Scientist who created Shadow.
Gerald is revealed as Shadow's creator and Ivo's grandfather.
Temporary alliance against G.U.N.
Shadow works with Ivo to retrieve keycards and activate the Eclipse Cannon.
Loyal assistant relationship.
Stone is Ivo's assistant and acknowledges Stone as his only friend at the end.
Antagonist seeking power.
Ivo's drones attack Walters and he teams up with Shadow against Team Sonic.
Tragic loss motivating Gerald.
Maria is Gerald's granddaughter who dies in an explosion.
Gerald seeks vengeance against G.U.N. leadership.
Gerald plans to use the Eclipse Cannon to destroy G.U.N.'s headquarters where Rockwell is based.
Explore the full interactive character relationship map of Sonic the Hedgehog 3
Related entry on Wikidata (Q132643730), public domain (CC0).