I know that Charizard and Smeargle did. Is there more?
minor differences (not including gen 6 sprites)
Note: don't like this answer but the one with shiny swaps since I reached the maximum characters and it was too hard to short out.
Full list (including other gens) [STILL BEING WORKED ON]: https://rpnow.net/rp/84d9-5pnt-f5n2-97cb-hsxf