For clarification, here is the movelist with some extra detail
His gimmick is Rhythm, rhythmic patterns are rewarded with more damage output
Neutrals
Jab: Karate punch
Dash: Samurai’s Skateboard
F-tilt: Lockstep
Up-tilt: Clappy solo
Down-tilt: Lumbearjack
Aeriels
N-air: Frog hop (each press is a different direction: left, right, left, right, etc)
F-air: Love lab (shakes the beaker in front and tosses it behind)
Up-air: Launch party (Counts down then launches a rocket)
Down-air: Fork lifter
Back-air: Flock kick
Throws
Pummel: Drummer duel (thwacks with a drumstick)
Side-throw: Air rally (serves opponent with racket)
Up-throw: Rhythm tweezers (throws opponent into a swing hit with the onion)
Down-throw: Seesaw (slams down, launching opponent into the air)
Smashes
F-smash: Samurai slice (typical sword smash)
Up-smash: Working dough (pops up in front of the player)
Down-smash: Tap trials (one left, then one right)
Get ups
Ledge attack: Slide kick (similar to Mario’s dash)
Floor attack: Flipper flop (rolls like the seals)
Specials
Neutral: Glee club (Charge up and sing! Well timed hits cause crumple)
Side: Blue birds
Up: Animal acrobat (Jump while holding on to launch off)
Down: Board meeting (first press starts spinning, second ends the attack by stomping down)