According to The BBC News UK, Pet Shop Boss Mandy Bower says "PeeWee" the ham seemed to stop growing at three weeks old. He’s less than an inch long.
Apparently, this full grown hamster is also blessed with a full-grown Napoleon Complex. According to the article, Bower says "He’s a bit bossy with the others" and "Hamsters sleep in a big clump and he sleeps under everybody else, in the warmest spot. I’m surprised he hasn’t been squashed."
Read more on this little Dude and his chances of making it into the Guiness Book of World Records over at BBC News UK..