His head pops up. Immediately. Oh, he knows that sound. He knows that sound very well. There's a quick scan around the area, and everything seems to slot immediately into place. The tension in his shoulders vanishes, relief replacing it.

Finally.

He's off the bench, and onto one knee almost before those little arms go all the way up.

"Hey - hey, buddy. Where'd you even go?" And yes, he is scooping his little green child up. "Don't run off again."