Auto Vajin, designated as SB-555V, is a prominent support character in the tokusatsu series Kamen Rider Faiz. Serving as a high-tech motorcycle for the protagonist Takumi Inui (Kamen Rider Faiz), Auto Vajin has the unique ability to transform into a humanoid robot form. In this mode, it assists Faiz in battles against Orphnoch enemies, providing crucial backup and firepower. Its loyalty and advanced capabilities make it an invaluable ally, often turning the tide in critical confrontations throughout the series.