@peterpann: Even if he is arrogant, that's not the proper response at all. If you don't like his attitude, you should talk to him and tell him why his arrogance is hurting you, or just ignore him. Doing this is going to do nothing but start problems.
@The_Puzzler: You remember the old under dogs PMs don't you? He always had like, The shortest damn temper ever, His grammar has never improved, And he knows how to make an alt in ten seconds. This is the kinda sh!t he'd do.