There is more than one artist with this name:
1) Anonymous, based in Andorra, and created in 2004. The group is inspired by the music of Blink 182 and Sum 41. Their live performances have included concerts at the opening of the Games of the Small States in 2005, and performing as the opener during Falling Kids' 2006 tour of Catalonia. They have taken part in musical competitions such as the Global Battle of the Bands (second-place finish) and the Emergenza. They also participated in the Eurovision Song Contest in 2007.