daddy of them all
the daddy of them all
The biggest, oldest, most impressive, or most respected person or thing of his, her, or its kind. I own a lot of vintage cars, but my 1926 Bentley is the daddy of them all.
daddy of them alland granddaddy of them all
Fig. the biggest or oldest of all; the patriarch. This old fish is the granddaddy of them all. This tree is the daddy of them all. It's been here since the place was built.