He has light fair skin, light brown curly hair, and a missing tooth. He wears black glasses with rectangular lenses, a white shirt, tan cargo shorts, a yellow sweater tied around his shoulders, and white shoes.
His name means "Handsome" in French.
His sister's name "Belle" is the feminine form of the masculine word "Beau" in French.
In Korean dub Beau speaks Belgian instead of Korean as foreign language.