No, Argentinean is not a county. Argentina is.
An Argentinean is a native or resident of Argentina.
Argentinean Gato Barbieri is famous for his jazz recordings in the 1970's. He was born with the name Leandro Barbier on November 28, 1932 in Rosario, Argentina.
Legend
The meaning of the cowboy name "Django" is "I Awake".
tiny cowboy
Caballo
Cowboy Troy's birth name is Troy Coleman.
Cowboy Copas's birth name is Lloyd Copas.
The term for an Argentine cowboy is "gaucho."
The slang term for a cowboy is "HICK"
Singular form: "¿Cómo estás?". Plural form: "¿Cómo están?". That's spanish. There's no "argentinean" language.