Wowwee! It's amazing how much variability there is between kid to kid!
Joy, my first grew like that! He was 16 lbs. by two months and 30 lbs. by a year. This one is staying in the 50-60% range.
On to the original topic, I'm not too creative with this one, lol. I usually just call her sweet baby because she is the happiest, sweetest baby I have ever met.
T calls himself "Bubba" and Reid "Bubbie" which I think is cute.