very smooth! though the colors are a bit dark...i really like it!

 Shadow might be a bit dark, hard to see the feet. other than that quite a smooth run animation.

 Thank you, went over why it looked like that and fixed it.

Very nice!

I thought he was shouting something at each step until I realized it's not a mouth, just the hands outlines. You might want to fix it!

Nice little animation

 nice one!