Besides the glowy aura and minor differences,Shadows final transformation makes him look like Silver the Hedgehog.
Naturally, Silver starts as a villain and then becomes a great asset to Team Sonic.
Sonic the Hedgehog 3 reunites Sonic, Knuckles, and Tails as they face a formidable new adversary, Shadow. With Shadow’s unprecedented powers posing a significant threat, Team Sonic seeks an unexpected alliance to thwart his plans and safeguard the planet.
