Talk:New Horizons Super Saiyan 3 Gohan (Teen)/@comment-31355915-20180811060412/@comment-1351914-20180902183607

He's from Dragon Ball Heroes, a what-if card if Gohan had reached SSJ3 against Cell. His body is aged because, as they put it "A small body can't contain the SSJ3 powers". So when a kid turns SSJ3, he basically ages to an adult for that duration.

Yes Kid Goku could become SSJ3 in GT, but GT isn't canon. Nor is DBH. So there.