Original sentence: Bill Wray recalls that Kricfalusi created the Ren and Stimpy characters around 1978 for personal amusement during his time in Sheridan College.Kricfalusi describes his early period with Nickelodeon as being "simple", as there was only one executive, Coffey, with whom he got along; when another executive was added, he moved to alter or discard some of the Ren and Stimpy episodes produced, but Kricfalusi says the episodes stayed intact since he did a "trade" with Coffey: he would have some "really crazy" episodes in exchange for some "heart-warming" episodes
Edited sentence: John Kricfalusi created the Ren and Stimpy characters around 1978 for personal amusement during his time in Sheridan College.Kricfalusi's early period with Nickelodeon was "simple", as there was only one executive, Coffey, with whom he got along; when another executive was added, he moved to alter or discard some of the Ren and Stimpy episodes produced, but Kricfalusi says the episodes stayed intact since he did a "trade" with Coffey: he would have some "really crazy" episodes in exchange for some "heart-warming" episodes