He is a huge Tzaddik. I was once by him for a Shabbos many years ago, and already back then he was a very big personality.
In those days his mother A’H was still there, and he told me that his mother was the oldest sister of the Bobov Rebbe Z’L of those days, so both he & the current Bobov Rebbe have the Zechus of being 1st cousins to each other.
BTW I was sent to them for a Shabbos as I was told his Rebbetzen is involved in Shadchonus, so 1 more Shadchonis to consider for anyone still requiring the services of a matchmaker and unable to get onto a Jewish dating site.