I don't even see how you make a poll about this because half of them don't even have a demo, and the ones that do are all copies of each other with different graphics. The only one I really can vote for is Knightmare's, because he made it to the Deku Tree, further than anyone else, and he did it brilliantly too. The underwater top-down to side-scrolling transition was awesome.
TRM hasn't even released a demo yet. People forget he changd to C#, and he hasn't released a demo with that yet - and I suspect it is different than the GM version, so I don't get how he is in second.
Even so - too !@#$% many damn OOT2d's.