When Dragon Ball Daima first revealed it would be turning Goku and the Z Fighters into children, Gohan was conspicuously absent from it all. There was a question about what his child form would look ...
On the page, Goku, Gohan, and Piccolo arrive to collect Pan ... on his own Twitter that the addition of Piccolo turning and waving is indeed one such alteration, sketched in by Toriyama himself.