Photo Archives News Channels Special Features Forums Contact About Privacy Photo Archive: TMNT - Splinter Posted by Curto on September 12, 2008 at 10:00 PM CST: Our Flashback Friday feature continues to shine the spotlight onto the classic Teenage Mutant Ninja Turtles toy line by Playmates. The mentor of the Turtles is the mutated rat Splinter, who trained the boys in the martial arts.