Mario Glory Rookantha Gunathilake (Sinhalese: රූකාන්ත ගුණතිලක) (born 5 September 1959) is a Sri Lankan singer and songwriter. He started his career as a solo singer in late 1980s. He frequently duets with his wife Chandralekha Perera. His daughter Raini Charuka is also a singer and an actress. Rookantha is one of the most successful musicians in Sri Lankan disco industry.[according to whom?] His albums have sold around 10,000 copies in Sri Lanka.