Does he? Yes and no. There's no point if she's not there, but if she is.... This guy makes him uncomfortable, but for more reasons than his manner of speaking. He reminds him of a genome, albeit a pinker, taller version of one. Sort of like himself. The muscle in his jaw ticks as he considers.

"Have you seen a...."

In an unfamiliar setting, M'gann would probably default to her Caucasian appearance, right? Maybe not, though, considering all the different beings he's run across thus far.

"A martian? Green, with red hair."

White, actually, but....