Biden refers to President Trump as Q when asked what he would say to the anons:
And now, have you guys found that plane load of people in uniforms and weapons, flying around?Have you found ‘em yet?
https://www.yahoo.com/news/biden-tells-q-anon-followers-to-seek-mental-health-counseling-before-the-affordable-care-act-is-repealed-185947737.html