The famous “blue man” also known as “Papa Smurf” has died today. Paul Karason developed skin with a bluish tinge against his shock of white hair, as a result of a rare medical syndrome known as argyria. Karason was 62 when he died this week after being treated for pneumonia, after having suffered a heart attack. He also previously had a severe stroke, his estranged wife Jo Anna Karason told NBC’s Today.