Character designer Atsushi Nishigori’s (錦織敦史) concept art and prototype designs of Yoko Littner were showcased in the Tokimeki ✩ Yoko Book, which came in the Tengen Toppa Gurren LagannKirameki ✩ Yoko Box (Amazon US).
Yoko Littner rocking out in fluid key frames illustrated by Little Witch Academia creator and character designer, Yoh Yoshinari (吉成曜). The original animation drawings are in the Tengen Toppa Gurren LagannKirameki ✩ Yoko Box (Amazon US).
Original image board art from Gurren Lagann episode #26, with Simon’s parallel universe and a different kind of Kamina. Illustrated by image board artist Daisuke Kikuchi (菊池大介) in the Gurren Lagann Image Board (Amazon US | JP).