Facts: - residence: athens , greece - worldranking: '' -rrb- '' - 2015 08 25 '' ' 18 '' ' ' -lrb- '' 2014 season '' -rrb- '' ' 20 21 '' ' -lrb- '' 2013 season '' -rrb- '' ' '' 27 '' ' -lrb- '' 2012 season '' -rrb- '' ' ' 28 '' ' -lrb- '' 2011 season '' -rrb- -lrb- '' 2015 season - discipline: rg - headcoach: evgenia gianitsopoulou - level: elite - altname: barbara filiou - nickname: barbie - birth date: 29 december 1994 - choreographer: ioannis martos - name: varvara filiou - assistcoach: aliya garayeva - club: olimpiakos rithmos - birth place: attiki , greece - natlteam: 2008 - present Based on these bullet points, write a short biography describing the life of varvara filiou .
The answer to this question is:
varvara filiou -lrb- greek : ; born december 29 , 1994 in attiki , greece -rrb- is a greek rhythmic gymnast .she is a 6 time -lrb- 2008-2014 -rrb- greek national champion .she is one of greece 's most successful rhythmic gymnast .