Ken Ashihara

Ken Ashihara is a young man who is an expert marksman of the group, uses the T2 Trigger Memory to transform into the Trigger Dopant, armed with a large rifle attached to his right arm. He has a habit of proclaiming "Game start" when beginning combat. He fights Kamen Rider Accel on several occasions both in and out of Dopant form before being defeated by Accel Trial's Machine Gun Spike Maximum Drive.