Boy is a name of at least 5 artists:
1) A band consisting of Valeska Steiner (aka Valeska) and Sonja Milena Glass. They are based in Zurich and Hamburg. Their début album was "Mutual Friends" (2 Sep 2011, Grönland).
Sites: MusicBrainz, Facebook and MySpace
2) A Czech punk rock band from Brno. The band consists of Martino (vocal), Kelso - (guitar/vocal), Olda (guitar/vocal), Rob (bass/vocal) and Vinca (drums). Inspired by Turbonegro and Motörhead. Read more on Last.fm