space animals = always throw up unless they are at extreme %, because if they dont DI you can chain grab em, or if they do DI u can try to pull off *ka-master* XD lol wavedash, turn around and grab em, or u can just simply jump up and dair/fair em
seems like your tornado recovery is a bit tad lacking, but u know how to do it, thats the important part, just smash the crap outa B button
your edge guarding is
there are lots of diff ways of edgeguarding but id have to type for far too long lol, look at tobias's guide or check out some vids/combo vids of luigi
however ur edgeguarding at 1:30 was rather cool, u should have finished it with a dropping dair tho when he was below u chillin there for a sec with his firefox and same at 2:04, and since it looks like he wouldnt tech it fo sho, ud be like... Zing, *fox dead*
also luigi = tech chasing beast, learn to tech chase ur opponents, and punish them for teching the way u knew they was gonna tech ;D
lastly i was actually surprised that your wavedashin was rather decent although sometimes u had a bit of a short wavedash, learn to tilt the control stick not so much down but to the side, ur luigi still needs some work and more fluidness, but its decent, and gettin there