just in case we do Falco, this will help anyone.
It is really the matchup of great jabs, in this matchup, expect jabs and large grab/aerial combos.
I have possibly the most experience vs Falco of anyone here except for BigLou since I think Kismet still uses Falco mostly.
Outside of facing Metaknights, the majority of characters I play vs are Falco's, I have faced all of the top Falco's in NJ outside of possibly Atomsk's Falco.
Luigi+ (overall)
IF Luigi can get in close, Luigi can kill VERY easily
Up tilt is great for combos.
Falco's side b is out prioritized by most of Luigi's moves preventing him from Phantasm camping
Luigi can crawl beneath lasers.
Luigi's n-air can out prioritize non grab combos.
If Falco does not know how to chain grab perfectly, Luigi can get out of it.
Luigi has an overall better recovery, just don't down b too highly, save it.
Better Aerials overall
Jab combos help.
Back air/down air helps a lot.
Pick Yoshi's or BF, followed by PS1/LC.
Falco + (overall)
Better on low platform stages and overall not bad on BF either due to camping abilities
Falco's jab is Dumb, almost if not more dumb than Luigi's.
If Luigi is grabbed, expect 60 damage.
Lasers are annoying regardless, especially Laser to boosted up smash for kill.
Falco can back air our non-charged side b and down air both other recoveires
DACUS is a pain
Boosted up smash is great vs Luigi
Back air helps well vs Luigi.
Down b prevents fireball camping
FD, SV, and any flat stages is easily 60-40 and 65-35 possibly for Falco due to his camping ability.
Falco is a really annoying matchup for Luigi, DACUS moves luigi far away to prevent punishing, down air chain grabs work and so does down throw to down air.
if you get grabbed in other words vs. a Good falco, expect 60 damage or possibly more with reads.
Back air Falco's recovery, down b or back air Falco's side b (Down b is GREAT in this matchup is it prevents Falco from Side b camping).