"Come on, let's shake this world!" ―Mumble Mumble is the main protagonist of the Happy Feet franchise, serving as the main protagonist of Happy Feet and the deuteragonist of Happy Feet Two. He is a male emperor penguin who is the son of Memphis and Norma Jean, the husband of Gloria, and the father of Erik. He is unique in that he is the only emperor penguin to not have a heartsong until the end, and the first to be able to tap dance and Happy Feet. Mumble is first seen as an egg, which is handed