The Skelterwild (ボンツビワイルド Bon Tsu Bi Wairudo?) is a Dream Eater that appears in Kingdom Hearts 3D: Dream Drop Distance. Its Spirit version is obtained via Spirit synthesis, while its Nightmare version can be found in The World That Never Was.
Kingdom Hearts 3D: Dream Drop Distance
This skelly's head and body are like two pesky Dream Eaters in one, but fire will send it back to the grave.