But a defiant Memphis objects, saying that their son will grow up to be normal after strengthening his 'singing muscles'. As a result, Mumble is teased, and his mother worries that he will never find a mate and spend his life alone. In fact, he has a terrible singing voice, which does not improve despite him being sent to Mrs. While Mumble attends school, he is discovered to be lacking a Heartsong, which is said to be very important for being a proper penguin. Mumble is shown to be an excellent dancer from the moment he hatches, though everyone fails to see this and assume that there is something wrong with his feet. Two feet break from the egg and as they begin to walk off down a snow bank, Gloria playfully addresses the egg as 'Mr. Gloria spots the egg, taps on it and hears a response from inside. A friend of his, Maurice, comes by with his daughter, Gloria, to see what had happened. Memphis worries when his egg does not hatch when the other penguin`s eggs do. This event may contribute to his different mannerisms later on in the film. During his incubation, he is dropped and briefly exposed to the environment's sub-zero temperatures, before being picked back up. Mumble is first seen as an egg, which is handed off to Memphis by Norma Jean. 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. He is a male emperor penguin who is the son of Memphis and Norma Jean, the husband of Gloria, and the father of Erik. Mumble is the main protagonist of Happy Feet and the deuteragonist of Happy Feet Two. ' Come on, let's shake this world!' ―Mumble

Humanized mumble happy feet