Some of Lyndon B. Johnson’s Presidential Doodles

Top center: unflattering doodle of Bobby Kennedy.
Bottom left: LBJ doodling during a Cabinet meeting on 9/6/1967

Sources:
https://www.mentalfloss.com/article/54412/21-presidential-doodles
https://blog.knockknockstuff.com/presidential-doodling-lbj-vs-hoover/