Rat King (IDW), TMNTPedia

Rat King is a character who first appears in Teenage Mutant Ninja Turtles issue 36 (IDW). He is a member of the Pantheon. He comes from the Pantheon, a family of powerful ancient beings, of which Kitsune, as his sister is also a member. He acted as the Pied Piper of Hamelin, at times using his powers to both reward and punish mankind. While Splinter and Leonardo were walking in the sewers discussing whether they should attack the Foot Clan or stop General Krang's plan to construct the Technodrom

Aka TMNTPedia+BreezeWiki

Claw Clan, TMNTPedia

The Monsters Within, TMNTPedia

Kingdom of Rats, part 3, TMNTPedia

The Rat King screenshots, images and pictures - Comic Vine

The Rat King screenshots, images and pictures - Comic Vine

Rat King (IDW Publishing) - Tortuepédia

Rat King (IDW)/Gallery

Rat King (IDW Publishing) - Tortuepédia

Teenage Mutant Ninja Turtles Best of Rat King #1 Preview: Trespassing

Rat King (IDW)/Gallery

Leonardo (IDW), TMNTPedia