This is called a McDouble son. Daddy likes to put his chicken nuggets on top of the beef patties. There ain't no reason two animals have to live when daddy's hungry. Chickens and cows are both equally delicious in their own special ways. It's like that episode of Yo Gabba Gabba you watched where they take turns, only instead of with a ball, it's with one of those mass-killing machines that harvest meat with brutal efficiency. YUM!
Still, Isaac mostly enjoys the high chair. And now, since he's teething again, he also enjoys eating tables.