1. Gru is a rapper from Serbia, one of several people who made the first successful steps of until then underground hip-hop movement into mainstream music scene.
Born in 1973, he dedicated almost whole of his life to music. He was a member of several minor music bands and the greatest success had with "Ajne Svajciger" ... Full biography on: http://www.gru.co.rs/ 2. Gru is composed of Piotrek Gruszka from Poland that has a sound of Progressive Metal ala Animals As Leaders mixed with intricate guitar leads much like Allan Holdsworth and Guthrie Govan.
Read more about Gru on Last.fm.