brawl has a way to have hd retexture on certain character the first i am working is gohan ssj2 import by one friend : Mr.MW
gohan is a wonderfull import and i have work to use directly texture from the artwork for this version :

texture from the old anime for this version :
and texture from the movie anime wich for instance give a look bd :  all versions are not finished for instance in wip

progress on one side :
and in the anime gohan is like that :