This happens during their first meeting in 1990's Teenage Mutant Ninja Turtles, where Raph comes after Casey for his excessive punishment of two purse-snatchers caught red-handed. Here ...
and another—seemingly more mutant—version of Raph. While he only made an appearance in the comic book series, Shogun Shoate was part of the TMNT Shogun wave of toys that were released in 1994.