Shadow is a character, and one of the an anti-hero of the series. Shadow is a Bio-Hedgehog that is being controlled by Darkrai.
Shadow is a black hedgehog with red fur marks on his head, arms and legs. He has red eyes and white fur on his chest. He has six quills on his head which points slightly upwards, two spines on his back and a small prickly tail.
Shadow wears white gloves with black cuffs and red tongues with a ring on them. He also wears Hover Shoes, built with jets, and like his gloves, he has black cuffs and red tongues with a ring on them.
After a job well done and meeting Treecko, Froakie, and Mark he talked to Nuzleaf, and Diggersby saying Darkrai has plans for them. He lead them to Darkrai who ordered him to look fir the other Crystals.
None for now.