(1)Sonic the Hedgehog vs (9)Knuckles the Echidna 2010

Ulti's Analysis
You know how people always bring up those two favorite Mario character polls Yoshi won and say Yoshi could maybe pull a shocking upset?

http://www.gamefaqs.com/poll/index.html?poll=634

http://www.gamefaqs.com/poll/index.html?poll=2328

Take a good look at this match. This is pretty much exactly how Mario vs Yoshi would go, and those fan-favorite one-series poll winners are virtually meaningless. Knuckles won a similar poll once, too, albeit a very old one:

http://www.gamefaqs.com/poll/index.html?poll=581

Come match time, he was easily SFFd. He did however win the very early vote, which caused everyone to not want to refresh after voting.

As an aside, people campaigned for weeks to get the Sonic 3 cover as the match pic here. Bacon couldn't really violate his template for one match, but he picked the next best thing. Major kudos to whoever Master_Mary is for an outstanding match pic.