Bard are known as "the Bard of Avon" (often simply "the Bard") and "the Bard of Bengal" respectively. The word is a Celtic loan word from Scottish Gaelic "bàrd", Irish "bard", Welsh "bardd". In 16th-century Scotland, it was a derogatory term for an itinerant musician; nonetheless it was later romanticised by Sir Walter Scott. In medieval Gaelic and Welsh society, a "bard" (Scottish and Irish Gaelic) or "bardd" (Welsh) was a professional poet, employed to compose eulogies for his lord (see planxty). If the employer failed to pay the proper amount, the bard would then compose a satire (c.f. "fili", "fáith").
A Town Called Mercy episode was dedicated to figuring out what to do with Jex rather than discovering more about him. Berriman also had two "nitpicks" that arose with the plot; the Gunslinger could just walk into the town and take Jex away, or the Doctor could take Jex away in the TARDIS. Dave Golder of the magazine labelled "A Town Called Mercy" as a "disappointing" science fiction Western episode, writing, "There are some great things about this episode ... But in a show that usually has a lot of fun reinventing TV tropes, too much of "A Town Called Mercy" feels a bit