From Super7. The Mousers were originally created by Dr. Baxter Stockman to rid the city of rats, but with their metal jaws that can bite through just about anything, they're a menace to pretty much whatever gets in their way. This Teenage Mutant Ninja Turtles ULTIMATES! Mousers 5-Pack includes three clean Mousers and two battle-damaged Mousers each standing just over 3" tall, all with Foot Clan logo detail, along with a plethora of highly detailed accessories. Don't chew it over for too long, snap up your Teenage Mutant Ninja Turtles ULTIMATES! Mousers 5-Pack!