Grumpy Cat (born April 4, 2012), real name Tardar Sauce is a female cat and Internet celebrity known for her grumpy facial expression. Her owner Tabatha Bundesen says that her permanently grumpy face is due to feline dwarfism. Grumpy Cat's popularity originated from a picture posted to the social news website reddit by Tabatha's brother Bryan on September 22, 2012. (Wikipedia) #GrumpyCat
Grumpy Puppy is a nickname given to Earl, a puggle (pug-and-beagle hybrid) from Davenport, Iowa who became the subject of online fame for its adorably irritated-looking facial expressions, in a similar vein to those worn by none other than Grumpy Cat.