Ai Kaminari is Gan's girlfriend, and the only daughter of a shopkeeper who sells electrical appliances. She is Gan's loyal follower. She is often seen constructing and modifying machines with Gan. She is "Yatterman No. 2" (ヤッターマン-2, Yattāman Ni-go?), and uses a telescoping baton called "Electric Stick" to emit electric currents to shock opponents.[3] In the 2008 version of the show, she often refer things as "100%" (for example "We are in 100% of trouble")
