Hmmm, that would require a bit of a change up in the planned security apparatus, but the front door is the choke point.If we all rush the place at once he likely can't all of us. How "likely" is qualified here does have implications. All depends on the means used.
The most successful plan would be for everybody to make a break for a different door. There are several double doors and a couple of single doors on the first floor that exit the house. No way I could hold down all those exits simultaneously, even with the assistance of the overly affectionate puppy. Your odds just got much better, feeling lucky?