I have a Titleist Bullseye Original putter like this that has the SC in the centre of the bullseye..
Is this the initial of Scotty Cameron? if not what does it stand for?

From Golf Digest....

Still, even a classic needs an occasional facelift. And for that, Acushnet turned to Scotty Cameron. Upon joining forces with Acushnet in 1994, one of Cameron's first assignments was updating the Bulls Eye. A task that likely brought a bit of trepidation.