The Many Faces of the Rat King by LuciferTheShort on DeviantArt

Rat King (IDW), TMNTPedia

Who is your favorite version of Rat King? : r/TMNT

Chase Conley- Director/Designer/Writer on X: The Rat King #Tmnt

TMNT Entity: A Rat King By Any Other Name

Playmates 2006 – Rat King – Teenage Mutant Ninja Turtles

Rat King art print

tmnt rat king by Pookanimation, 3D

Vintage Teenage Mutant Ninja Turtles Rat King Ninja Turtles TMNT

Rat King Evolution in Cartoons & Video Games (TMNT)

Cheap Ass Gamer on X: Pre-Order: Teenage Mutant Ninja Turtles Ultimates! Rat King $54.99 via Big Bad Toy Store. Figure is based off of the Rat King from TMNT Shredder's Revenge.