Does anybody remember Blue Bird? He was a comic book superhero bird created by Big Bird. Blue Bird was full body muppet bird with blue feathers, has a different beak, Blue Bird also has gloves, A BB Shield, Boots, and a red cape, Blue Bird has a deep superhero type voice and has his own theme song. And gives out a heroic "Tweeeeeeet!" Blue Bird was introduced for Season 20 (1988-1989) of Sesame Street.