tmnt the last ronin told the story of the end of the last of the original teenage mutant ninja turtles michelangelo as he embarked on a quest to avenge his three fallen brothers leonardo donatello and raphael but it also set the stage for a new generation of teenage mutant ninja turtles whose adventures will take place in the time after the end of the last ronintmnt the last ronin the lost years promo art image credit idw publishingmeet odyn yi moja and uno the four still infant turtles as of their first appearance in january 25s tmnt the last ronin the lost years 1 who are the heirs to ninja skills and weapons of the original four turtles with splinter long dead theyre being raised by april oneil and her daughter caseymarie named after her dad casey jonesa mix of brothers and sisters the four new ninja siblings are the creations of original tmnt cocreator kevin eastman and last ronin artist ben bishop who also returns for portions of the new limited series which is cowritten by eastman and tom waltzand if youre wondering if theres a common element to their names like their predecessors apparently theres a story behind them that will be addressed in an upcoming issue of the limited series a page from tmnt the last ronin the lost years 1 image credit idw publishingwhen kevin eastman asks you to design new turtles there was really no question bishop tells gizmodo in an interview about the new tmnt i came out swinging with 12 different new turtle designs from babies to teenagers those made the rounds for a week or so while everyone picked out their favorite four bishop continues this was a crazy exciting time nickelodeon loved the designs and ultimately we all settled on the four youll meet in lost years 1tmnt the last ronin the lost years 2 goes on sale march 15read the best teenage mutant ninja turtles comics of all time