Main Page | See live article | Alphabetical index Main Page | See live article | Alphabetical index Youkai Youkai (妖怪) are class of creatures in Japanese folklore ranging from the evil Oni to the mischievous Kitsune. Youkai technically means "apparition" or "spirit", but some translations also label them "demons". Some stories also tell of youkai breeding with humans to produce "hanyou", or half demons. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.