|-| 2= "Arm Fang!" ―Activation announcement via one press |-| 3= "Shoulder Fang!" ―Activation announcement via two presses |-| 4= "Fang Maximum Drive!" ―Finisher announcement via three presses The Transforming Gaia Dinosaur Fang Memory (変形ガイア恐竜ファングメモリ Henkei Gaia Kyōryū Fangu Memori), also known as the Fanged Memory (牙の記憶 Kiba no Kioku), is a special Gaia Memory that was solely created to protect Philip and act on his orders, enabling him and Shotaro to transform into FangJoker. It can change between its Live Mode (ライブモード Raibu Mōdo), which resembles a Dromaeosaurid, and its Memory Mode (メモリモード Memori Mōdo), the top of which resembles a dinosaur's head. When used, half of Kamen Rider Double becomes the white Fanged Right Half (牙の右半身 Kiba no Migi Hanshin), enabling Kamen Rider Double