McCoy's eyes lift at the voice, and his eyebrows shoot straight up. It's - Spock, but at the same time ... it's ... not. The face is unquestionably the same, but soft where Spock's is angular and hard, and his ears are rounded.

...what in the ever-loving fuck.

"No, uh," he stammers after a second. "You're good. Your name Spock, by any chance?"