On match days it is, apart from that, from my experience, the opening times aren't to reliable, but I usually only go in on a match night to get some tape so I am not to sure.
That would be corky, the owner. To be honest he's not a rude person and is very helpful. He also doesn't sell you something for the sake of it, he helps you choose sizes etc and the item you want. If he comes across as rude, I can assure you that's not the case.