A suggested or reduced version of another, well-known or infamous; one whose actions or behavior suggests a reference to another person; to be combined with the completing reference; derogatory. (NOTE: some individuals, i.e. LindaHunt, cannot be pocket monsters, as they already are; redundant).
The flight attendant went through the cabin barking out orders and smashing trays about, turning into a pocket-monster Kathy Bates from MISERY at 30,000.