A

A member of EXE, known as "A" (Ａ（エー）), possesses the second Anomalocaris Memory (アノマロカリスメモリ). He transformed into the Anomalocaris Dopant (アノマロカリス・ドーパント) to fight Shotaro as Kamen Rider Joker, though easily defeated by his Rider Punch.

Portrayal
"A" is portrayed by Ryuusuke Ito (伊藤 竜翼).