Jiro (次狼, Jirō) is the human identity of Garulu (ガルル, Garuru), the last survivor of the Wolfen Race of the 13 Demon Races and an Arm Monster allied with Wataru Kurenai. In 1986, he was one of the transformants of Kamen Rider Ixa (仮面ライダーイクサ, Kamen Raidā Ikusa, Masked Rider IXA)