Suggestions by @bobbyhavens

Chris Patton

as Rat King in Teenage Mutant Ninja Turtles: The New Animated Series - Season 4, 5, and 6

Wendy Brainard

as Kara Lewis in Teenage Mutant Ninja Turtles: The New Animated Series - Season 4, 5, and 6

Aaron Dismuke

as Zork in Teenage Mutant Ninja Turtles: The New Animated Series - Season 4, 5, and 6

Vic Mignogna

as Lieutenant Kleve in Teenage Mutant Ninja Turtles: The New Animated Series - Season 4, 5, and 6

Andrew Francis

as Louis Braunze in Teenage Mutant Ninja Turtles: The New Animated Series - Season 4, 5, and 6

Seann William Scott

as Gruell in Teenage Mutant Ninja Turtles: The New Animated Series - Season 4, 5, and 6

Chris Wood

as Corporal Montuoro in Teenage Mutant Ninja Turtles: The New Animated Series - Season 4, 5, and 6

Chad Michael Murray

as Colonel Zorax in Teenage Mutant Ninja Turtles: The New Animated Series - Season 4, 5, and 6

Andrew Tiernan

as Gluin in Teenage Mutant Ninja Turtles: The New Animated Series - Season 4, 5, and 6

Scott Menville

as Dr. X in Teenage Mutant Ninja Turtles: The New Animated Series - Season 4, 5, and 6

Henry Silva

as Rogro in Teenage Mutant Ninja Turtles: The New Animated Series - Season 4, 5, and 6

Rainn Wilson

as Traximus in Teenage Mutant Ninja Turtles: The New Animated Series - Season 4, 5, and 6

Quentin Sanders

as General Zukko in Teenage Mutant Ninja Turtles: The New Animated Series - Season 4, 5, and 6

Melissa Disney

as Ma'riell in Teenage Mutant Ninja Turtles: The New Animated Series - Season 4, 5, and 6

Tara Strong

as Dr. Zura in Teenage Mutant Ninja Turtles: The New Animated Series - Season 4, 5, and 6

Scott Rayow

as Colonel Ch'rell in Teenage Mutant Ninja Turtles: The New Animated Series - Season 4, 5, and 6

Zachery Ty Bryan

as Captain Zog in Teenage Mutant Ninja Turtles: The New Animated Series - Season 4, 5, and 6

Lucia Dimitra Xypteras

as Sheena Murphy in Teenage Mutant Ninja Turtles: The New Animated Series - Season 4, 5, and 6

Jason Gray-Stanford

as Mondo Gecko in Teenage Mutant Ninja Turtles: The New Animated Series - Season 4, 5, and 6

Pete Davidson

as Pigeon Pete in Teenage Mutant Ninja Turtles: The New Animated Series - Season 4, 5, and 6