Rocky the Flying Squirrel

Rocket "Rocky" J. Squirrel, also known as Rocky the Flying Squirrel is a plucky flying squirrel and one of the two main protagonists of the 1959-1964 animated television series The Rocky and Bullwinkle Show, produced by Jay Ward. Rocky is the best friend and ally of the western moose Bullwinkle. Both Rocky and Bullwinkle were given the middle initial "J" as a reference to Ward.
Voice actor June Foray was Rocky's voice.