Falco is pretty much a pain in the *** to deal with for Sonic.
1) He has lasers, so Sonic has to approach, and they outprioritize all of Sonic's attacks, so if he has good aiming, he can pretty much shut down any of Sonic's approaches with a laser.
2) His recovery is predictable, but at the same time difficult to challenge. SideB comes out before average human reaction time and is pretty low lag, but I'm pretty sure Sonic like many characters can N-air him out of it if he's fast enough.
3) His Up-B however is VERY easy to gimp. Not that he'll be forced to use it often, but when he is, you probably know what to do.
4) His spike has uber priority, so don't recover from below. Oh yeah, and don't get grabbed of course.
5) Falco has disjointed range on quite a few attacks actually. Reflector, Jab, and F-smash are all pretty disjointed. His tilts and back air are also fast and have pretty decent range.
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Sorry A2ZOMG(I really love sounding out your name in my head haha). This post just has a lot of... not so win in it. No offense =P
Falco has the advantage probably, but its not THAT bad at all, imo, although I had recently been on a Falco losing streak XD.
1) In the end, sonic approaches everyone. Lolz. And no matter how good falco is, lazers<run+powershield. Aerials wise, sonic is really quick in the air. Falco wont be landing more than a couple of lazers in the air against Sonic. And its not as if Sonic will usually be a far enough distance for falco to really use the lasers against him, except at like the beginning of stocks.
2) Don't forget this IS the quickest character in the game you know. Falco recovery is more punishable by Sonic than most characters. Falco's SideB takes 18 frames to release, which is not too quick at all. Its time in which Sonic can cover about a third of FD. Ad to this travel time and ending lag time, and Sonic
will be there by the time its over, if he uses it abover the stage. If he uses it to sweetspot the ledge than thats different, but chances are Sonic will be running towards him anyways. Doing anything but sweetspotting the ledge can be very dangerous for falco here. Some falcos like to jump from holding the ledge into a SideB... Bad idea against Sonic.
3) This is true.
4) This is not. Or at least not against Sonic. I've said it many times: Uair>Everything. Except perhaps D3 Dair, but I think it beats that too. Falco's spike in particular is
easily outpriorized by Uair. I always say that recovering from below using Uair IS the safest way to recover without being damaged when using Sonic, but I emphasize this moreso against Falco. This will avoid lazer damage when recovering horizontally, and any risk of being hit with a bair. Since Uair totally beats out Falco's dair, theres not an aerial for you to worry about.
5) This is all true.
Sonics, remember to use ftilt and dtilt here. Ftilt outranges all his tilts and jabs and whatnot. Reflector comes out on the same frame or near the same frame as your ftilt(frame 6 apparently). Dtilt combos quite easily into falco. Chaining bthrows is also fun with his fast fall speed.
Again, Falco's main advantage is how easily he can rack damage on you. While you have to run around scavenging for openings, and hope to get a nice combo/string from there, Falco needs only one grab to inflict a gazillion damage. His damage rate slows down significantly though once you are past the chaingrab range and can escape hs throw setups more easily.