Cristiano Ronaldo is a Portuguese soccer (football in Europe) player. His full name is: Cristiano Ronaldo dos Santos Aveiro, but he's also known as simply Ronaldo, or CR7. He's one of the World's most famous sports athlete and he currently plays in Spain, for Real Madrid. Cristiano Ronaldo started to play as a winger, but his position now can also be as forward/striker. Ronaldo wears the number 7 on his Real Madrid jersey, as well as in the Portuguese National team. Cristiano Ronaldo was born in the 5th of February 1985 and he's currently 26 years old.