Kyle Killen conceived of Rex and the rest of the family and series in 2011 after a report that NBC had purchased the series from the creator Killen, under the original name REM.
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Rex was created and designed by series creator and executive producer Kyle Killen after he created and developed the series Lone Star for the Fox network; Killen had been called in to pitch a new drama for NBC after the cancellation of Lone Star.
Kyle XY | Kyle | Kyle Lowder | Kyle Hogg | Kyle of Lochalsh | Kyle Killen | Kyle Farnsworth | Kyle Broflovski | Kyle Turley | Kyle Orton | Kyle Minor | Kyle McCulloch | Kyle McCallan | Kyle Lehning | Kyle Korver | Kyle Jarrow | Kyle Hotz | Kyle Field | Kyle Cassidy | Kyle Baker | Billy Kyle | L.B. 'Kyle' Keilman | Kyle Turris | Kyle Sokol | Kyle Sandilands | Kyle Rudolph | Kyle Rayner | Kyle Pruett | Kyle Patrick | Kyle of Sutherland |
It was written and produced by series creator and executive producer Kyle Killen, and was directed by Sarah Pia Anderson.