Complex sentence: He debuted on-screen on 18 March 1982 and became the longest continuously featured character in the show's history and Thorp it's longest ever serving actor, remaining in the role until his death on 22 May 2013.
Split into simpler sentences: He debuted on-screen on 18 March 1982 and became the longest continuously featured character in the show's history. Thorp remained in the role until his death on 22 May 2013.