 Roxas ( Japanese : <unk> , Hepburn : <unk> ) is a fictional character from Square Enix 's video game franchise Kingdom Hearts . First revealed during the final scenes of the 2004 title Kingdom Hearts : Chain of Memories , Roxas is a " Nobody " , a being created when the series ' main character Sora briefly loses his heart during the first game of the series . Kingdom Hearts II reveals that Roxas is a member of Organization XIII , a group of Nobodies who needed Roxas as he could wield the Keyblade , a weapon that allows him to capture hearts . As a member of the organization , Roxas bears the title " Key of Destiny " ( <unk> , <unk> <unk> , lit . " <unk> Key " ) . He is also the protagonist of the video game Kingdom Hearts 358 / 2 Days , which revolves around his origins . In the Japanese games , Roxas is voiced by <unk> Uchiyama , while Jesse McCartney takes the role in the English versions . 
