Okay, so I have a bunch of photos to share again... but it's late here and we really need to go to bed. I'm going to compromise and just post a video tonight and then post again tomorrow morning when the boys are napping (hopefully).
I know most kids like to bang their heads on things, and Connor just started doing this recently as well. Luckily, he mostly chooses soft things like the couch, the bed or pillows. Alex will sometimes follow along if everyone else is doing it, but it's mostly a Connor thing right now: