His hair is a nod to Matt Stone's (his creator) old hairstyle, as well as his character in 'Cannibal! The Musical'. Garrison's Fancy New Vagina', 'The Losing Edge', 'Elementary School Musical', 'W.T.F.', 'It's a Jersey Thing', and the Coon and Friends arc (as his vigilante alter ego The Human Kite). This was first shown in 'How to Eat with Your Butt' he is seen without his hat in 'Lil' Crime Stoppers', 'South Park is Gay!', 'Quest for Ratings', 'Mr. Underneath his hat, he has a bright red Jewfro, a hairstyle he seems to resent. Kyle wears a green ushanka, a bright orange jacket, dark green pants, and lime-green mittens. 5.1.2 Friendship/Conflict with Eric Cartman.
5.1.1 (Best) Friendship with Stan Marsh.