What's your Devil? I remember using little stick figure
  minions.* When a teacher would be particularly wicked, I'd
  doodle the teacher's head with dozens of tiny little stick
  figures inside whispering all sorts of things at once, and the
  ones reminding her of all the bad things the bad kids did that
  year were louder than the ones that named the good kids and all
  the good things they did. (like me - I was a "good kid" - who
  sometimes did bad things too :P ) And then the voice bubble
  comes out of her mouth, usually written in jagged print.* If I
  had red pencil/pen there'd be dripping blood added for extra
  effect. Helped me make the teacher not a bad person, just
  influenced by bad ideas, giving her a bad attitude. Never was
  much for Satan though.* Found it hard to believe anybody was
  really in charge of that stuff, but they really didn't have a
  Devil in the Methodist church I went to. I only had two Devil's*
  that came close: One was Tim Curry's Devil from Legend and the
  other was [1]https://www.youtube.com/watch?v=BpaRouocBes the
  Mysterious Stranger from Mark Twain, both from around the same
  time. Oh, and the Nothing from The Neverending Story. My
  ultimate Devil though?* Time Bandits. He was trying to steal the
  Time Portal map from God from the Dwarfs, who also stole it from
  God.* Post-modern humor at its best. Lucky 9 year old Kenny got
  to see it in the movie theater.* That Devil beat Darth Vader,
  who had been my Devil from age 6-9 but even then seemed a little
  wooden to me. I never could understand my Catholic friends when
  they'd talk about Satan.* :--P

References

  Visible links
  1. https://www.youtube.com/watch?v=BpaRouocBes