Antoine D'Coolette was the son of the late army General Armand D'Coolette and his wife Marie D'Coolette, and one of the original Knothole Freedom Fighters. While originally being one of the least contributing members and often showing signs of cowardice in the face of danger, Antoine gradually learned to overcome these fears and hone his skills with the sword. However, he was critically injured in duty by the explosion caused by a self-destructing Metal Sonic while escorting Elias Acorn safely out of the city. As a result, he was left in a coma, with his fate left uncertain.