There are at least 4 groups that use this name. Javelin is a hip-hop and electro production duo from Providence, RI.
Tracks can be downloaded from their official Myspace page, http://www.myspace.com/hotjamzofjavelin. Javelin was a visual kei band from Japan.
Alternate listings on last.fm are Ｊａｖｅｌｉｎ and ジャベリン Javelin is a metal band from Germany.
http://www.myspace.com/javelinmetal Javelin is a stoner/doom metal band from Boston, MA.
Read more about Javelin on Last.fm.