Yatterman 2 is the female counterpart and partner of Yatterman 1 in the Yatterman series. In the 2008 remake, the character is known as Ai-chan, a cheerful, energetic, and justice-driven heroine who fights alongside Gan-chan against the Doronbo Gang. She serves as one of the central protagonists, helping drive the adventures, comedy, and action of the story while supporting the Yatterman duo’s mission to protect peace and uphold justice.