Logan latched on to Robin with both legs, just in case his Dad got any wild ideas of putting him down. Before he blew raspberries. "Dada." He had no doubts that Robin was his father.
"I think he favors us both. He has your eyes. But he will look more like you when he is older." In fact the only thing Laura had noted from the older Logan, was the fact that his hair was still very dark.