Chris O'Dowd created the series to get back at his sisters for putting makeup on him during his childhood, which happens to Martin in the series.
Filmed on location in Boyle, Chris O'Dowd's hometown.
The "Orinoco Flow" music video idea was thought up while filming the raft scenes in series 2. The two younger cast members had never heard the song and had to be taught the words minutes before they shot the song.
In the episode Unidentified Feckin Objects, Writer Nick Vincent Murphy cameos as the teacher who tells Martin to whist.
At a book preview Chris O'Dowd & Nick V Murphy said that they write scripts & books in their pyjamas.