Hope your being sarcastic, because he's always had that bicep peak, well back in early 90's to late 80's.
His right bi has a split and is harder than the left. Maybe there was a problem with the left and he couldn't train it for a while, but wanted it to be symmetrical for the contest. Anyway, I'm a believer in Darrem. He's proven to come in great shape time and time again.