(Oops, late reply) What about "Sudden Old Friend Appearance"? This post was posted by SelfCloak, but signed as Olicool10.
That's descriptive, but can we come up with a shorter or snappier version? "An Old Friend Appears", or something.
Yeah, that might do. I had on my mind "An Old Friend Bursts In" or "Breaks In". This post was posted by SelfCloak, but signed as Olicool10.