costadinos contostavlos, better known by his stage name of "dappy", is an english rapper, singer and songwriter of greek heritage. he leads the hip hop group n-dubz. contostavlos was raised on a camden town council estate, north london by his mother, zoe contostavlos and father, byron contostavlos. his father was the bassist in 1970s group mungo jerry.contostavlos is from greek origin but speaks fluent english with a classic north london accent. he does not think of himself to be "english in anyway". at home he speaks greek. he says he is a "foreign guy that lives in camden". he wears unusual hats. his trademark is a selection of woolly fleece lined hats with big pom-poms on the top and strings on the sides. these have been called "dappy hats". he normally turns up one side of the hat.