The seven-year-old German Shepherd was born with wonky teeth and a badly-formed bottom jaw.
Off his food
And it would appear his being constantly overlooked by potential new pet owners is starting to get to him.
Yogi's recently gone off his food at the RSPCA centre near Newquay in Cornwall.
It's hoped Yogi will find a new owner after his picture appeared in many UK newspapers on Thursday.
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