Suggestions by @cartoonmultiverse

Casey Jones (2012 TV series)

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

April O'Neil (TMNT 2012)

as April O’Neil in Tmnt & Sonic: Golden Darkness (Part 4)

Soundwave (Bumblebee)

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

Knuckles the Echidna

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

Beast (X-Men 97)

as Hank McCoy/Beast in Tmnt & Sonic: Golden Darkness (Part 4)

Midas (Fortnite)

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

Princess Celestia

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

Iron Man (Marvel Cinematic Universe)

as Tony Stark/Iron Man in Tmnt & Sonic: Golden Darkness (Part 4)

Shining Armor

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

Rainbow Dash

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

Sonic the Hedgehog (Character)

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

Leonardo (TMNT 2012)

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

Shockwave (Transformers Cinematic Universe)

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

The Wasp (Earth’s Mightest Heroes)

as Janet Van Dyn/The Wasp in Tmnt & Sonic: Golden Darkness (Part 4)

Vegeta

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

Superman (DCEU)

as Clark Kent/Superman in Tmnt & Sonic: Golden Darkness (Part 4)

Superman (Tyler Hoechlin)

as Clark Kent/Superman in Tmnt & Sonic: Golden Darkness (Part 4)

Daredevil (Marvel Cinematic Universe)

as Matt Murdock/DareDevil in Tmnt & Sonic: Golden Darkness (Part 4)

Sideswipe

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

Ratchet (Bayverse)

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