Billy is a character on The Grim Adventures of Billy and Mandy. Billy is a happy-go-lucky, dimwitted kid who has a hat and a big pink nose. He has a low IQ of -5, having been outpreformed by a shovel and two candy bracelets on an IQ test. He is friends with Mandy, although Mandy treats Billy more like a servant than a friend. He is voiced by Richard Steven Horvitz.

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