Suggestions by @cartoonmultiverse

Hank Pym/Ant-Man (Avengers: EMH)

as Hank Pym/Antman in Tmnt & Sonic: Golden Darkness (Part 4)

Arcee (Rise of the Beasts)

as Arcee in Tmnt & Sonic: Golden Darkness (Part 4)

Starscream (Transformers Cinematic Universe)

as Starscream in Tmnt & Sonic: Golden Darkness (Part 4)

TNtina (Fortnite)

as TNTina in Tmnt & Sonic: Golden Darkness (Part 4)

Skye (Fortnite)

as Skye in Tmnt & Sonic: Golden Darkness (Part 4)

FAKE

as Master Wu in Tmnt & Sonic: Golden Darkness (Part 4)

Applejack

as Applejack in Tmnt & Sonic: Golden Darkness (Part 4)

Twilight Sparkle

as Twilight Sparkle in Tmnt & Sonic: Golden Darkness (Part 4)

Black Widow (Marvel Cinematic Universe)

as Natasha Romanoff/Black Widow in Tmnt & Sonic: Golden Darkness (Part 4)

Ironhide (Bayverse)

as Iron Hide in Tmnt & Sonic: Golden Darkness (Part 4)

Rarity (My Little Pony)

as Rarity in Tmnt & Sonic: Golden Darkness (Part 4)

Shifu

as Master Shifu in Tmnt & Sonic: Golden Darkness (Part 4)

Donatello (TMNT 2012)

as Donnie in Tmnt & Sonic: Golden Darkness (Part 4)

Michelangelo (TMNT 2012)

as Mikey in Tmnt & Sonic: Golden Darkness (Part 4)

Green Lantern (DCAU)

as John Stewart/Green Lantern in Tmnt & Sonic: Golden Darkness (Part 4)

Wonder Woman (Justice League: Doom)

as Diana Prince/Wonder Woman in Tmnt & Sonic: Golden Darkness (Part 4)

Human Torch (Marvel Cinematic Universe)

as Johnny Storm/Human Torch in Tmnt & Sonic: Golden Darkness (Part 4)

Steven Universe (Character)

as Steven Universe in Tmnt & Sonic: Golden Darkness (Part 4)

Master Splinter/Hamato Yoshi (TMNT 2012)

as Master Splinter in Tmnt & Sonic: Golden Darkness (Part 4)

Ben Grimm/The Thing (Storyverse)

as Ben Grimm/The Thing in Tmnt & Sonic: Golden Darkness (Part 4)