Serbian hairdresser 'draws' Messi, Ronaldo Serbian hairdresser Mario Hvala offers a unique service to clients. He has been creating works of art on the back of his customer's heads for the past nine years, since 'drawing' a tarantula on a client's head after suggesting they tried something different. His recent designs include likenesses of football superstars Lionel Messi and Cristiano Ronaldo, ahead of the World Cup in Russia. IMAGES AND SOUNDBITES