It's the 14th birthday of the original Commander Keen 1-3 trilogy - on the 14th! And it's the 13th birthday of the second Keen duo of 4-5 on the 15th.
Check out some of the Keen sites on the Net to reaquaint yourself with the little fella.
Cerebral Cortex 314
Commander Spleen's Land of Commander Keen
Crazy Flash Movie with Keen sprites in it!
So there you go - Keen's birthdays. In a row.
And the only cool present I have for Keen is an old picture from the beginnings of id Software while we were creating the Super Mario 3 demo to show Nintendo - in the photo gallery!