True. Also, apparently people all over the world interpreted the Clangers' dialogue in their own languages, some believing their utterances to be profane.
How could it be actual speech, when it was done with a Swanee whistle? Brilliant.
(Juan Quar is clinging to her front teeth on, Sat 31 Aug 2013, 18:59, 1 reply)

See here:
tonymusings.blogspot.co.uk/2010/02/strange-whistle-language-of-clangers.html (5th paragraph on relates to language).
As I recall, a plushy Clanger was released a few years back that, when squeezed, would say "Oh, sod it! The bloody thing's stuck again."
( monster munch person, man, woman... camera... TV?, Sun 1 Sep 2013, 1:07, closed)