Complex sentence: Following that, Dini put the Mirage pitch in the sketchbook where it remained for years until Jim McLauchlin came on board at Top Cow as an editor, and was interested in creating a new series about a tough new heroine and contacting Paul Dini.
Split into simpler sentences: Following that, Dini put the Mirage pitch in a sketchbook where it remained for years until Jim McLauchlin came on board at Top Cow as an editor. McLauchlin was interested in creating a new series about a tough new heroine and contacted Paul Dini.