Coypu this invasive species's endurance controversial to human occupants throughout most of its range. The genus name "Myocastor" derives from the two Ancient Greek words (), meaning "rat, mouse", and (), meaning "beaver". Literally, therefore, the name "Myocastor" means "beaver rat". Two names are commonly used in English for "Myocastor coypus". The name "nutria" (from Spanish "nutria") is generally used in North America, Asia, and throughout countries of the former Soviet Union; however, in most Spanish-speaking countries, the word "nutria" refers primarily to the otter. To avoid this ambiguity, the name "coypu" or "coipo" (derived from the Mapudungun language) is used
Louie (given name) Louie (given name) Louie is a moderately common given name, related to the more common name Louis. It originated in the United Kingdom (where "Louis" is pronounced ) as a more regularly-spelled version without a silent ⟨s⟩. In 2011, it was the 74th most common forename for births in England and Wales, with Louis only slightly more common at 68th. In the United States, "Louis" (there pronounced ) is far more common. The name is unisex; it is usually considered a masculine given name, as a derivation of Louis, but is occasionally given to girls as a diminutive of Louise.