Mid-Air Thief (Korean: 공중도둑) is one of the projects of an enigmatic South Korean folktronica musician who calls himself Mr Thief. Despite having some success, he has no social media presence and has never performed live. Mr Thief started started his musical career in 2012 using the stage name Hyoo (Korean: 휴). In 2015, he changed his stage name to Public Morality (Korean: 공중도덕) and released his self-titled debut album, which was nominated for Best Modern Rock Album at the 2016 Korean Music Awards.