In Japanese mythology and fantasy, are supernatural beings, normally evil ones such as devils or demons. A or maou is a ruler of mazoku, or in fiction more generically a dark lord or powerful monster.
The name ma ( â devil) suggests that they are meant to threaten human existence or defy the gods, while -zoku ( â tribe, clan, family) indicates that they are a family.
Maà  () is a term derived from mazoku, suggesting a king ( à  â king, ruler) that rules the mazoku.
The term "mazoku" was used to describe the asura and yaksha in Hindu mythology, as well as Zoroastrianism's daeva. It is a general term for devils, demons and evil beings. In Japanese polytheism, it is an antonym of (shinzoku), "the tribe of gods".
A maà  is a king or ruler over mazoku. For instance, in Bible translations, Satan is a maà Â. In polytheism, the counterpart of maà  is (shin'à Â), "the king of gods".
The Japanese feudal lord Oda Nobunaga also called himself a maà  in a letter to Takeda Shingen, signing it with ("the demon king of the sixth heaven").
In Japanese fantasy, the meaning of "mazoku" differs from work to work. Some works use the term for all evil beings that are enemies of humans or good beings, while others use it to specify a certain group of beings (not necessarily evil). The term (akumazoku) may be used to designate evil mazoku specifically (the word , aku, means "evil").
A maà  may be a king of the mazoku, or more generally a king of demons, overlord, dark lord, archenemy of the hero or video game boss. The term is not gender-specific. For instance, "Erlkönig", by Johann Wolfgang von Goethe, widely translated as "Elf King" in English, was translated as "maà Â" in Japanese. The term daimaà  or daimaou ( â great demon king) is sometimes used to describe a very high-ranking or powerful maà Â. An example is Piccolo Daimaà Â, a villain from the Dragon Ball manga.