Super Shadow (スーパーシャドウ Sūpā Shadō) is a transformation that appears in the Sonic the Hedgehog series. It is the Super State of Shadow the Hedgehog, achieved by harnessing the power of the seven Chaos Emeralds.
On Modern Sonic's birthday, an evil darkness captures his friends and takes them to an all white world. Classic Sonic is transported there through a portal. The two Sonics must work together to save the universe and get their friends back.