Leonard McCoy payment for his appearance. In the "" episode "", McCoy mentions he has a daughter, Joanna. Although Chekov's friend Irina in the original series episode "The Way to Eden" was originally written as McCoy's daughter, it was changed before the episode was shot. In the 2009 "Star Trek" film, which takes place in an "alternate, parallel" reality, McCoy and Kirk become friends at Starfleet Academy, which McCoy joins after a divorce that he says "left [him] nothing but [his] bones." This line, improvised by Urban, explains how McCoy earned the nickname "Bones". McCoy later helps get Kirk posted aboard the
Star Trek: The Role Playing Game which either were never introduced into what later became canon "Star Trek", or which differ significantly from how canon "Star Trek" presents them, include: The game's depiction of the Klingons, the result of work by science fiction author John M. Ford, differs greatly from later canon. Ford's Klingons not only appear in the supplement "The Klingons" for the game, but also in his Star Trek novel "The Final Reflection", whose story is told almost entirely from a Klingon perspective. Ford designed his Klingon society to provide a logical basis for the actions and statements of onscreen Klingons in the original