Blue Rainbow friends

Main antagonist 4 meters height a large, massive, royal blue monster. Wears a yellow crown on his head. His arms are long and muscular compared to his short legs. Pale blue drool dangles from the corner of his mouth. Blue's right eye is round and dilated, but her left eye appears to have been replaced by a white button. He appears hunched over and walks with poor posture and may experience frequent sleepiness. Blue seems to have a lot of strength, as he easily breaks boards and rips people's heads off without much difficulty. It usually wanders around, making distorted growls and grunts, or sleeps. His friends are Green, Orange, Purple, Yellow and Cyan, and Red is his creator and boss.