Funny dog in quiet Bedfordshire town devoid of tail (5)

I believe the answer is:

pluto

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'funny dog' is the definition.
'pluto' can be an answer for 'dog' (I have seen 'animated dog' mean 'pluto' so perhaps 'dog' could also mean 'pluto'). I am unsure of the 'funny' bit.

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for pluto that I've seen before include "Hellish leader" , "Disney dog - planet" , "Dis" , "Infernal ruler" , "Planet discovered in 1930" .)

I've seen this clue in The Guardian.

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