Rat King is one of the most common foes of the Teenage Mutant Ninja Turtles, but each incarnation of him is wildly different from the other.

As the adoptive father and mentor to the Ninja Turtles, Splinter is an iconic character who will surely appeal to TMNT fans. The Operator's design faithfully replicates the mutant rat's appearance ...

Unlike the comic, this version of Splinter has him as the pet rat of Hamato Yoshi and was then mutagenic ooze, which granted him human-like intelligence and abilities. He would flee into the ...

This collectible comes with a minifigure of Splinter back when he was a hyper-intelligent rat who had not yet been exposed to the mutagenic ooze, as well as the Turtles in their infant form ...