Juan Ethnnius Mamby was a black officer of the Spanish Army who arrived in the Dominican Republic at some point in 1810s. [1] In the 1840s, however, he deserted the Spanish and enlisted in the Dominican Army to fight in the Dominican War of Independence and the Dominican Restoration War. [2] [3] [ citation needed ] According to Elmore Leonard, he is said to have been the origin of the word, Mambises, which is used to refer to independence fighters from the Dominican Republic and Cuba. [note 1] [4]