Youtube user (that would mean content provider), animator, special FX artist and from the looks of it, avid Konami fan, rickonami has done up some really cool remakes of intros to Castlevania, Gradius 2 and Gradius 3, among other games. He has also come up with the following Mech Fight space battle animation, which I think is pretty cool:

Check out the rest of his creations: