Why did Knuckles turn green?

Why did Knuckles turn green? Chaos Knuckles is an evolution of Knuckles engineered into him by his father in the comics. This was done by infusing Knuckles when he was inside his egg with massive amounts of Chaos energy, which would make him turn into a living Chaos Emerald with limitless energy.

Chaos Knuckles is an evolution of Knuckles engineered into him by his father in the comics. This was done by infusing Knuckles when he was inside his egg with massive amounts of Chaos energy, which would make him turn into a living Chaos Emerald with limitless energy.