"What the...?" Spike blinked in surprise and stepped back. Then, quite suddenly, his alternate self seemed to appear out of nowhere. "Oh, great a bloody wizard, are you?" Spike growled as he lunged to the side and reached for the nearest item on the bar (as his knife was now lying uselessly a little too far out of his reach). Beer bottle in hand, Spike smashed it against the counter and held it out in front of him in a defensive sort of stance.
"Wow. You have pointy fingers," he said sarcastically. With his free arm, Spike flipped Brainiac the bird. "Look! So do I!"