About one in 1,000 children are born with brachial plexus birth injury (BPBI), upper extremity weakness or paralysis resulting from trauma to the brachial plexus nerves during childbirth.

And while speaking exclusive to PEOPLE about his Super Bowl ad with NerdWallet, Culkin looked forward to his time in the play, admitting that he’s experiencing "nerves." "I wonder if it's ...