A while back we posted about a sprite hack that was aiming to ponify Mario 2. As of two days ago, it has finally completed. This is part of an entire package of planned mods for Super Mario Allstars. Exact description:
The ponification of Super Mario Brothers 2 is now done. So, merry Christmas. This is a 16-bit revision of Herooftime1000's 2011 ponification of the 8-bit version and was indeed inspired by his original hack
Head on over here if you want to play it!