The Interception of Communications Commissioner. Currently, I think, the Rt Hon Sir Paul Kennedy (previously Sir Swinton Thomas - and no, I'm not making this up). Google doesn't seem to have any pictures of him, amazingly. They seem to have been, er, intercepted.
So, if you ever have the need to say to anyone, "Hold that thought"...
Or if anyone says it to you, or uses a CCTV film of you whilst holding a thought on a late night ITV4 clip show & you need advice -
He's your man.