Suggestions by @alecgroskreutz1

Nicole Oliver

as Narrator in Teenage Mutant Ninja Turtles/My Little Pony - Part 1, 2, and 3

Steve Blum

as Red Dragons in Teenage Mutant Ninja Turtles/My Little Pony - Part 1, 2, and 3

Phil LaMarr

as Red Dragons in Teenage Mutant Ninja Turtles/My Little Pony - Part 1, 2, and 3

Dee Bradley Baker

as Red Dragons in Teenage Mutant Ninja Turtles/My Little Pony - Part 1, 2, and 3

Fred Tatasciore

as Red Dragons in Teenage Mutant Ninja Turtles/My Little Pony - Part 1, 2, and 3

Josh Keaton

as Red Dragons in Teenage Mutant Ninja Turtles/My Little Pony - Part 1, 2, and 3

Fred Tatasciore

as Slash in Teenage Mutant Ninja Turtles (Animated Series)

Fred Tatasciore

as Rocksteady in Teenage Mutant Ninja Turtles (Animated Series)

Gary Anthony Williams

as Bebop in Teenage Mutant Ninja Turtles (Animated Series)

Steve Blum

as Leatherhead in Teenage Mutant Ninja Turtles (Animated Series)

Eric Bauza

as Leonardo in Teenage Mutant Ninja Turtles (Animated Series)

Nolan North

as Leonardo in Teenage Mutant Ninja Turtles (Animated Series)

Nolan North

as Lord Shredder in Teenage Mutant Ninja Turtles (Animated Series)

Kevin Michael Richardson

as Lord Shredder in Teenage Mutant Ninja Turtles (Animated Series)

Keith David

as Lord Shredder in Teenage Mutant Ninja Turtles (Animated Series)

Josh Keaton

as Casey Jones in Teenage Mutant Ninja Turtles (Animated Series)

Cherami Leigh

as April O'Neil in Teenage Mutant Ninja Turtles (Animated Series)

Cary-Hiroyuki Tagawa

as Sensei Splinter in Teenage Mutant Ninja Turtles (Animated Series)

Nolan North

as Sensei Splinter in Teenage Mutant Ninja Turtles (Animated Series)

Hoon Lee

as Sensei Splinter in Teenage Mutant Ninja Turtles (Animated Series)