Some Rain booted artwork of these characters i did

Sprite dump of V3 Fang + Evolution

Father and Son love

(coming some time soon or something.) The 1st Sonic Battle Redux arcade Run: Sonic.

The 3 Promotional Avatars wearing Rain Boots / Wellies

Yoshi and Birdo cosplaying as Ichigo Momomiya

Basically

Valgallah's Cream's "Chao Force" Super

Command is

D,DF,F X+Y

Act Music as Rounds? (may not apply to every stage)

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

Early previews of "Shining Wine (Not alcohol)" and "Castle Party"