Thank you Grumblin, you can test the waters, and if you're beaten to a bloody pulp by a jealous and disgruntled field field officer from a certain infantry regiment you will have sacrificed yourself in the noble cause of saving me from a "conduct unbecoming" court martial!
Good luck tapping the boards in front of the Brigadier!
Met a Wayne subby in the R Signals years ago, was almost apologetic when he introduced himself. Knew a Toby in a cavalry regiment, great guy.
But Keith? Never!
In the USA it is currently en vogue to give kids surnames as first names (particularly, for some reason, Scottish sur (last) names) there are a lot of little Camerons, McKenzies, McPhersons etc., around. Whatever happened to Angus, Ruaridh, Andrew and Hugh?