Damage, great work! Here are a few more ideas/requests if you get the time:
NES Zelda – Link walking towards the screen
NES Zelda – octorok moving around
NES Super Mario Bros – small Mario walking
NES Super Mario Bros – koopa troopa walking
NES Super Mario Bros – goomba walking
NES Super Mario Bros – piranha plant chomping
NES Super Mario Bros – power-ups (mushroom, flower, star, 1up)
NES Mega Man – Mega Man running
NES Bubble Bobble – Bubblun walking
NES R.C. Pro-Am – Car driving