Κώστας Κουρμένταλας

Greek rapper, singer, music producer and bassist better known by his stage name Rithmodamastis (Greek: Ρυθμοδαμαστής). Member and lead rapper/MC of the first Greek hip-hop group FF.C. (Fortified Concept) from their formation till their disbanding. After their disbanding Kostas Kourmentalas disappeared from the music scene for personal reasons and briefly appeared in two songs almost a decade after. He is credited for being one of the best (for many people the best) Greek rappers ever.