That's Koza, who was a 10-week-old lion cub at the San Diego Wild Animal Park when this pic was taken. The lion cub was actually a twin, but the other one died and because lions are social animals and there was no other lion cubs at the park for Koza to play with, they introduced an Italian mastiff puppy to be its lunch, er playmate.
Link | Gallery - via Cute Overload
But that guy can't help how he looks. He needs compassion and human dignity, not "Ewww, gross, here's something cute to look at to wipe the memory of that hideous sight."