Keanu Reeves has been confirmed as the voice of Shadow in "Sonic the Hedgehog 3". In the games, Shadow, an anthropomorphic hedgehog with black fur, is often an antagonist to Sonic, but eventually becomes an ally. The character is a creation of Professor Gerald Robotnik, the grandfather of Sonic's arch-nemesis, Dr. Robotnik. His superpower is the ability to control time and sapce.