The elaborate and dynamic art illustrated by character designer Atsushi Nishigori (錦織敦史) exclusively for the Tengen Toppa Gurren Lagann COMPLETE Blu-ray BOX is generously displayed in the art book Telegenic! (Amazon US | JP).
Simon and Nia, battle-weary and worn out, illustrated by Sushio (すしお) as part of a set of MOVIC (ムービック) stick posters. The illustration appears again in the art book Gurren Lagann Art Works (Amazon US | JP).
Tengen Toppa Solvernia and Tengen Toppa Yoko SP, originally illustrated by Yoh Yoshinari (吉成曜) for the back cover of the Rakugaki Core Drill 2.75, make a second appearance in The Art of Yoh Yoshinari Illustrations (Amazon JP).