Peter Laird refused to ever work with Kevin Eastman.
Peter Alan Laird (born January 27, 1954) is an American comic book writer and artist best known for co-creating the Teenage Mutant Ninja Turtles with writer and artist Kevin Eastman
In December 2019, issue #100 of IDW Publishing's Teenage Mutant Ninja Turtles comic series featured a teaser ad for an upcoming comic project titled The Last Ronin in which the prospect of a possible reunion and cooperation between Laird and Eastman was held out

