Thanks to ToyArk.com board member astig for posting up his custom TMNT Metalhead.
Metalhead is a turtle-like remotely controlled robot built by Donatello. Donnie salvaged an abandoned Kraang-droid body after a battle and decided to use its highly advanced technology to build an upgraded weapon for himself. The result was Metalhead. He resembles the turtles themselves yet stands about a foot shorter. He has a bandanna built onto his head that is yellow in color and the back of his shell is made from a New York City manhole cover.
View all of the new custom TMNT Metalhead images after the jump.