I remember thinking these guys - Whipping Boy - were gonna make it big, but it never quite happened for them. Their album Heartworm is a superb piece of work. Here's the lead song from it:
My guess is it's Dan Coats. Or someone working on his behalf.
He was Director of National Intelligence (overseer of all the intelligence agencies basically) until Trump sacked him. The phone call in question with Zelensky took place not long before Coats left his post as DNI.
RE: in the meantime, i have to find me another president