Makoto Hikawa (氷川 誠 Hikawa Makoto) is Kamen Rider G3 (仮面ライダーＧ３ Kamen Raidā Jī Surī, lit./short for "Masked Rider Generation 3"), the secondary hero used in the 2001 Kamen Rider series, Kamen Rider Agito, using technology in place of the mystic nature of Agito and organic nature of Gills. He's the first Secondary Rider to appear in the series. G3 was based on The Unidentified Lifeform No. 4 or Kamen Rider Kuuga.