I had no idea that ENTs with our head mirrors are relatively common in the comic book world alternately portrayed as heroes or villains. (Most of us have upgraded to a headlight powered by battery, but some of us ENTs still use a head mirror.) There is a Family Practice physician who has compiled all the situations where ENTs were portrayed in comic book settings in his blog Polite Dissent . The full list can be found here . I have reproduced a few of my favorites below: