Mamodo

From Zatch Bell!

Mamono or demons are creatures that come from another world, invisible to humans and not of this galaxy. They are also called imps. They are called mamodo in the English version. Mamono come to the human world to compete in the King's Festival, a tournament held every 1,000 years to decide the Mamono King. The 100 contestants are chosen by the Mamono School Principal and the current King of the Mamono World and sent to the human world with their books. Mamono are very different from ordinary humans, although most mamono take on a humanoid appearance. A mamono's favourite food is fish, and mamono usually eat raw fish, male mamodn by unhinging their jaws to make their mouths large enough to comp on and swallow large fish in large pieces, females instead preferring to eat small fish so as not to act vulgar. There are many types of mamono, with many different types of spells. Mamono type is based on elements of everyday life, such as Fire, Water, Lightning,