Mousse Siffleue Whistling Boy Mascot/Hood Ornament. This mascot is known as Mousse Siffleue or Whistling Boy. He’s a standing urchin in sailors garb, bare feet and with his hands in pockets. The original was first created by the Polish sculptor and artist, Vaclav Bernard Szczeblewski. It is made of bronze and It measures approximately 5 ½ inches high. It is a reproduction. This is an individual piece there may be small differences between the pictures and the physical piece. This adds to the exclusivity of this ornament.