Rat King, TMNTPedia

Rat King is a character appearing in most TMNT incarnations, an enigmatic character whose origins are usually either unknown or arcane. His relationship with the Turtles is quite complicated; he has appeared in his various incarnations as an enemy, an anti-hero, and also as an ally of the Ninja Turtles. Splinter

Wrath of the Rat King/Gallery, TMNTPedia

Category:Rat King-focused episodes, TMNTPedia

Rat King (IDW), TMNTPedia

Teenage Mutant Ninja Turtles issue 131 (IDW)

Battle Royale - REVscene Automotive Forum

Aka TMNTPedia+BreezeWiki

Rat King (1987 TV series)/Gallery, TMNTPedia

Rat King (Heroclix TMNT2-024), TMNTPedia

TMNTPedia - Mirage TMNT characters: Agent Bishop, Alternate Shredders, Ananda, April O'Neil, Avian, Baxter Stockman, Bebop, Blobboid, Bloodsucker, Chote, Claw Shredder, Commander Mozar, Comple