The "Blue Meanies" are fictional characters from the animated film Yellow Submarine, which was released in 1968. They are depicted as antagonistic creatures with blue skin and a desire to eliminate all forms of fun and creativity in the world of Pepperland. Their appearance is striking, featuring exaggerated features and a menacing demeanor. In the film, the Blue Meanies represent conformity and oppression, contrasting with the vibrant and joyful characters associated with The Beatles. Their ultimate goal is to take control of Pepperland and suppress the music and happiness that define the community. The story follows the journey to defeat the Blue Meanies and restore joy to the land.