Christiano Ronaldo is Greek.
Cristiano Ronaldo dos Santos Aveiro , ( [ kɾiʃ ` tjɐnu ʁuˈnaɫdu ] , born 5 February 1985 ) is a Portuguese professional footballer for Spanish club Real Madrid and the Portugal national team . Ronaldo Luís Nazário de Lima ( [ ʁoˈnawðu ˈlwiʒ nɐˈzaɾju dʒ ˈɫĩmɐ ] ; born 18 September 1976 ) , commonly known as Ronaldo , is a Brazilian retired professional footballer who played as a striker .