posted Tuesday, October 30, 2012 - 05:40 AM (#62291)
In Response to Clell65619 (#62282):
I was going to make something out of that: Perhaps Gramp shaved off the stache after the car accident that's about to happen...
But it's been on and off:
http://www.sheldoncomics.com/archive/080417.html
He even had a beard at one stage:
http://www.sheldoncomics.com/archive/030811.html