The Tama Sheep (タマシープ Tama Shīpu?) 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 La Cité des Cloches.
Kingdom Hearts 3D: Dream Drop Distance
This roly-poly Dream Eater loves to sleep, and so will opponents it gets its lamb chops on. At least its defenses are, uh, "mutton" to worry about...