UVERworld (ウーバーワールド) is a Japanese rock band known for their mixture of musical genres such as hard rock, electronic, and beat-boxing. UVERchan, the band's mascot, is a fictional bear-bat like character, which appears on several of their covers. The five-member band known as UVERworld first formed in 2003, and were known as Sound Goku Road(sound極road) or, more popularly, "Sangoku Road." The band originally consisted of seven members, and released a demo CD which ended up selling 3,000 copies.