Suggestions by @cartoonmultiverse

Zuko

as Zuko in Tmnt & Mlp: Canon Demis

Sokka

as Sokka in Tmnt & Mlp: Canon Demis

Bow (She-Ra and the Princesses of Power)

as Bow in Tmnt & Mlp: Canon Demis

Katara

as Katara in Tmnt & Mlp: Canon Demis

Naruto Uzumaki

as Naruto in Tmnt & Mlp: Canon Demis

Aang

as Aang in Tmnt & Mlp: Canon Demis

Miles Morales (Spider-Verse)

as Miles Morales in Tmnt & Mlp: Canon Demis

He Who Remains (Marvel Cinematic Universe)

as He who remains in Tmnt & Mlp: Canon Demis

Natsu Dragneel

as Natsu in Tmnt & Mlp: Canon Demis

Spider-Man 2099 (Spider-Verse)

as Miguel O’Hara in Tmnt & Mlp: Canon Demis

Donatello (TMNT 2014)

as Donnie (Bayverse) in Tmnt & Mlp: Canon Demis

Raphael (TMNT 2014)

as Raph (Bayverse) in Tmnt & Mlp: Canon Demis

Leonardo (TMNT 2014)

as Leo (Bayverse) in Tmnt & Mlp: Canon Demis

Donatello (TMNT 2012)

as Donnie in Tmnt & Mlp: Canon Demis

Raphael (TMNT 2012)

as Raph in Tmnt & Mlp: Canon Demis

Michelangelo (TMNT 2012)

as Mikey in Tmnt & Mlp: Canon Demis

Pinkie Pie

as Pinkie Pie in Tmnt & Mlp: Canon Demis

Rarity

as Rarity in Tmnt & Mlp: Canon Demis

Applejack

as Applejack in Tmnt & Mlp: Canon Demis

Rainbow Dash

as Rainbow Dash in Tmnt & Mlp: Canon Demis