It was never exactly -=Prime=-, it was always something close, like -=PeK=-. I was once that on UGC about 4 months ago before I re-registered and changed my name. And yes, they are Vbulletin. It's just weird on how it made me use it out of the blue.

WetWired: I already did, but let me try again...

[edit]: nope. Still says I'm logged in as -=Prime=-, even if I log out. It's like it's messed with the guest code or something.