Did you make an actual real team for him? Not that I mind but you could have chosen any Pokemon you want, even the ones that you wouldn't be able to use in normal combat.

UHh just saying, u know. uhh. yea.

the colors are pretty dark, but the color combinations work nicely anyway. His pose looks a bit weird, but very dynamic.

All the poses together look a bit... off, in my shitty opinion, if you see the standing-still poses of his pokemon in comparision to him. If they were in action like Luka, then this would be a better composition (only in my opinion tho!)