I was very nervous because in my mind, it was a 50/50 shot that he would either scream and cry, or he'd love him.
And the verdict is...

He liked him! Well, let's be honest. He was actually rather indifferent to Santa because he was tired, but what he did like was Mommy making a fool out of herself by playing peekaboo from behind a giant pillar. That's probably why Santa is laughing too...