Spring Man

Spring Man is a playable fighter in ARMS. In the game, he is a young, enthusiastic fighter, and the newest contestant to join the Grand Prix. Along with Ribbon Girl, Spring Man was one of the first two fighters to be revealed for ARMS, and he is considered to be the face of the game.

Moveset
Credit: https://gamefaqs.gamespot.com/boards/234547-super-smash-bros-ultimate/76592038