It's
up air -> up air -> up air -> up air -> up b
Mario
Side b -> Roll read -> F smash
Ganondorf
Tornado -> up air
Mii Swordfighter
Down throw -> nair
Mii Gunner
Camping
Sonic
side b -> jump cancel -> up air -> up air -> up air -> foward/back air
Bowser Jr.
Down B -> F smash
Simon
Side b -> up b
Pokemon Trainer (ivysaur)
Down Smash -> Forward Smash
Mr. G&W
Up tilt -> Up tilt -> Up Tilt -> Up Tilt -> Neutral B -> Up Tilt -> Neutral B -> Up Smash
Steve
Stomp Knee
Captain Falcon
Side B -> literally anything
Duck Hunt Duo
Bomb -> forward air
Toon Link
Falling up air -> neutral B
Piranha Plant
Down Throw -> Up B
Mythra
Jab -> forward smash
Chrom
Side b -> side b -> any aerial
Robin
PK fire -> anything
Ness
Up Throw -> Up Tilt
Sephiroth
Nair -> Down B -> Side B
R.O.B.
The Booyah!!!!
Inkling
The Yoinky Sploinky
Mega Man
nair -> nair -> nair -> nair -> nair....
Palutena
Bomb Loops
Link
Down Throw -> Down Air -> Neutral Air -> Down Air -> Up Air -> Up B
Luigi