2/3 of them are references to

Sonic's Concept and is also a Skin in Sonic Superstars Cream's Debut (Though inconsistent looks)

A former 90s rival's (A red capped plumber guy) recent 3D platformer since 2017

Despite being Water (Or Mutated Chao) slime sounds

Basically

Valgallah's Cream's "Chao Force" Super

Command is

D,DF,F X+Y

A returning move from Infinite Battle

but a bit more on Sonic 06's Green Gem.

(Advance 1) Angel Island Zone.

Originally for Infinite Battle Now retooled

Every Continue and Confirming

As of 6/26/2022

I'm taking you down like its 1998/1999!

Yoshi and Birdo cosplaying as Ichigo Momomiya

That Hover Move.

It's like the OG game but less stiff.

The "Big Green Man" (Guest) teaser.