Rat King (Teenage Mutant Ninja Turtles) - Wikipedia

Stalker separated from the Rat King, showing features usually not

The Complicated, Inconclusive Truth Behind Rat Kings - Atlas Obscura

Of Rats and Men, TMNT Wiki

Rattenkönig - Rat King Physics based Indie Game

Lab Rat King Co.

The Rat King: On the Fascinations (and Revulsions) of Rattus

King rat - The RuneScape Wiki

Giant rat found in London: Gas engineer finds rodent 'bigger than small child', The Independent

CRISPR-Cas9: A method for establishing rat models of drug metabolism and pharmacokinetics - ScienceDirect

Scientists create bizarre two-headed rat by grafting a 'donor' head onto a living rodent