He would be right, Obi-Wan hadn't had time to think on it. He'd come from a time where he was fleeing for his life, and that of a little someone he was carrying with him.

But judging by the man's face, that name did mean something to him. There's a look of shock and disbelief. However, he had been here long enough to know how this world works. How people tend to come from different times. He had thought that this boy looked somewhat familiar. The family resemblance was definitely there.

"Luke... The last I saw of you, you were a baby. I held you in my arms."