An W.S. Gilbert note ...
Gilbert, suffering severe gout, named his pair of feet for his critics.
In a letter to Sullivan, July 27, 1892:
... "My right foot, which I call Labouchere, is very troublesome, and I take a vicious pleasure (not unalloyed with pain) in cramming him into a boot which is too small for him. My left foot (known in Homburg as Clement Scott) is a milder nuisance, but still tiresome, and would hurt me a good deal if he could."
Labouchere:
http://en.wikipedia.org/wiki/Henry_Labouch%C3%A8re
... The article mentions critical altercations with Gilbert.
Scott:
http://en.wikipedia.org/wiki/Clement_Scott
... Scott at least belonged to the same gentlemen's club as Gilbert, so to presumably encourage more civil discourse.
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Today, who might associate opera critics with body parts?
Joe