The ninja turtles' mentor just unveiled a serious power upgrade, and he's been given ... which would explain Kakashi recognizing him. Splinter's shinobi design isn't exclusively an aesthetic ...

Creating an entirely new universe to help facilitate Naruto, Sakura, Sasuke, and Kakashi coming face-to-face ... The Mighty Morphin’ Power Rangers, and even Mulder and Scully from the X-Files.