*Yoko Littner is the main tritagonist of the series. (in Giha underground village years) from Giha's neighboring village of Littner who had been chasing the Gunmen that crashed into Giha Village during the events of Episode 1.

She wields an extensive range of firearms, most frequently use of which is a long-range Superconducting Rifle modeled after the Barrett M82 and Railguns. She's also young woman as a member of a small resistance against the beastmen. She helps to introduce Simon and Kamina to the surface world, and becomes a member of Team Gurren soon after.*