The guest illustrations that were featured in Yoh Yoshinari’s (吉成曜) new artbook: “The Art of Yoh Yoshinari Illustrations” ! 

[quote]Eri Ninamori by FLCL director Kazuya Tsurumaki (鶴巻和哉), 
Gurren Lagann by series director Hiroyuki Imaishi (今石洋之) and 
Akko Kagari by animator Tatsuya Oishi (尾石達也)[/quote]