Teenage Mutant Ninja Turtles Volume 15 Leatherhead Author:Kevin B. Eastman, Tom Waltz As the Turtles continue to get used to a world leading the Foot Clan post-Shredder, they return to the Technodrome to moniter the revival of the Utroms on Burnow Island. They are surprised to meet a new mutant?Leatherhead! Will the mysterious mutant be friend or foe? Collects issues #56?60.