Not to be mean but, I don't think there's any way to give criticism on these sprites without having to revamp the whole thing to a totally new sprite.
And another thing, Super Mario Bros. 3 is on the NES, SNES, and GBA, theres no need for this at all.
And another thing, Super Mario Bros. 3 is on the NES, SNES, and GBA, theres no need for this at all.