Silhouette the Pokémon Trainer
Perfect Bidoof aka Peanut Butter (Rusty's Pokémon (Formerly) Silhouette's Pokémon (Currently))
Link
Mayor Haggar
Knuckles
Shadow the Hedgehog (Frenemy)
Mario (Frenemy)
Luigi (Frenemy)
Yoshi
Scorpion
Sub-Zero
Bowser
Pac-Man
The Arcade Ghosts
Metal Sonic
Metal Tails
Toad
Gilius Thunderhead
Soniqua (Y/n, Mother Brain and Sonia's Daughter)
FUTURE Y/n from an Alternate Timeline