Alamy One of Avery’s most famous characters is a whistling wolf, who first appeared in the 1937 cartoon, Little Red Walking Hood (Credit: Alamy) “You want to know why Tex Avery was special?” ...

One of the earliest instances of wolf whistling appeared in a 1943 Tex Avery cartoon, called "Red Hot Riding Hood". In the cartoon, the ‘Wolf’ whistles enthusiastically at a woman called ...