Thanks to Twitter I came across this List of animals with fraudulent diplomas on the Wikipedia. As others have pointed out, this is the best Wikipedia page (so far). Here is an example to wet your appetite:
Ben Goldacre, a UK-based physician and science journalist, wrote in 2004 that his cat, Henrietta, had obtained a diploma in nutrition from the American Association of Nutritional Consultants; Goldacre had been investigating allegations about the qualifications claimed by Gillian McKeith.