In this Portuguese name, the second or paternal family name is Nazareth. "Filho" is a generational suffix meaning "son", which is used for someone whose name is the same as their father, like "Jr." in English.
After retiring and past the age of 40, he made a career at beach soccer. He was part of the winning Brazilian team on the first 3 Beach Soccer World Championships in 1995, 1996 and 1997. He was selected as the best player from the 1996 tournament.