Yenra Boosette Costume at Convention Boosette Costume at Convention: A woman dressed in a Boosette costume from Super Mario Bros., characterized by her white hair, gold crown, and sharp fangs. She wears a white corset with pink lacing, a short skirt, and thigh-high socks, complemented by long gloves that extend past her elbows. Her outfit is completed by a gold crown adorned with three balls of varying sizes at the top, which rests atop her head. The background appears to be an indoor setting, possibly a convention or event, where people are gathered in the distance.