Some legends focus on the origin of the Chinese zodiac, composed of 12 animals. It is said that an emperor (perhaps Huang Di himself) invited all the animals to a feast, but only 12 came.
十二生肖的來源有各種傳說，到底是黃帝自己或是其他虛構的神話人物邀請百獸來赴宴，已經不可考了，總之最後來的只有十二個。