Everyone knows about Kryptonite, the color yellow and Spider-Man’s terrible root beer allergy. But some superheroes’ Achilles heels are a bit more esoteric… Welcome to Ten Things!
Whooshman-Bicarbonate Films, in conjunction with ‘An Amateur Comics Historian’ and that thing where Wonder Woman kept getting tied up, Presents:
10) THE GREEN GUARDSMAN
Hailing from an alternate Earth, The Green Guardsman (real name: Scott Mason) was a stalwart member of The Justice Guild Of America. Believed to be a fictional character in the world of ‘Justice League Unlimited’, he encountered the JLA and Green Lantern John Stewart, who eventually discovered the Guild’s terrible secret. As a reference to Alan Scott, the Golden Age Green Lantern, whose weakness was wood, The Guardsman’s power ring was useless against aluminum, meaning that either hero could be pole-axed by a Little Leaguer with the right baseball bat…
If we include non-television material, Aspirin can be fatal to the Doctor (and other Time Lords). This was never explicitly stated within the TV series, but is within novels and audio dramas. However, there IS an episode of the TV series where Jo offers the Third Doctor an Earth medicine tablet, which he states could kill him, and while it was not directly said to be Aspirin in the episode, many fans speculate it was an Aspirin tablet after the subject was stated in later non-televised works.