Demyx is a Nobody who also referred to as the "Melodious Nocturne" Demyx is voiced by Kenichi Suzumura and Ryan O'Donohue in Japanese and English respectively. Demyx fights with his elemental power over water and a sitar called "Arpeggio" to create duplicates of himself. He also has control over the Dancer Nobodies. Demyx first appeared in Kingdom Hearts II at Hollow Bastion with the other Organization XIII members. Demyx was assigned to look over Sora's progress in the Organization's plan, and appears several times during Sora's quest. Though he admits he's not much of a fighter, the Organization sends him on a mission to confront Sora in The Underworld. After attempting to talk to Roxas through Sora, Demyx sends his water copies after him and leaves after losing. Demyx later crosses paths with the protagonists again at Hollow Bastion, and battles Sora and his friends. Demyx, however, is defeated and fades into darkness.