I tried to think of who all I have met and this is a pretty good list. I'm bound to have missed a couple.

David in Maryland
LordDamax
cacunn
canawler
Frank McGrath
starbkjrus
kiltedcarpenter
Madadh
kilted_brewer
Ian.MacAllan
berserkbishop
Galician
MacTavishOfJapan
manuforti
Splash_4
M. A. C. Newsome
Tartan Hiker
The Wizard of BC
KiltedKnome
fluter
Barb T.
Kiltman
RockyR
Kelly