As this is TV Guide (US), it is assumed shows from the UK are not included. These warrant many more nominees to the list:
AB FAB - Eddy and Patsy
ARE YOU BEING SERVED - Miss Slocombe and Mr. Humphries
FAULTY TOWERS - Basil and Sybil Faulty
AGATHA CHRISTI CHARACTERS - Hercule Poirot and Mrs. Marples
to name but a few
This is not a take away to Emma Peel, but only an addition of.
No Hyacinth Bucket (pronounced Bou-quet) from keeping up appearances?