Whom are you referring? I don’t know all democrat nicknames.
AG Bill Barr plays the bagpipes —> Bilbo Bagpipes
https://www.cbsnews.com/video/attorney-general-william-barr-hits-the-bagpipes-at-doj-event/
John “Bull” Durham, “The Last Trusted Prosecutor in Washington”
https://www.nationalreview.com/2019/11/john-durham-last-trusted-prosecutor-in-washington/