... Well. "Last I checked, yeah..." he responded automatically- it wasn't a big secret. But then his thoughts caught up- were they just crossing wires again? Seemed to happen a lot with this guy- and he tried another tack. "I mean technically Robin is a symbol. Like Batman." The meaning more important than the person. Which was why he could've taken the cape in the first place.
Wait. Oh. Robin grinned immediately, in an easy mix of no-prob-I-won't-freak-out and wait-now-I'm-really-curious. "No kidding!" He heard the capital letter, figured it was a codename. But a nonhuman one, hey. "That's cool. Must've been a heck of a first... da..."
He trailed off. The wall behind Lobsang had a glowing, blue, double... window? Window-door. That had not been there half a second ago or he'd have seen it, tracked it coming up out of the corner of his eye.