When mild-mannered reporter Clark Kent puts on his red cape and blue costume, he becomes the world-renowned superhero Superman, a man known for his daring feats of strength and selfless compassion. Jerry Siegel and Joe Shuster first unveiled DC's Man of Steel in the debut issue of Action Comics in 1938, and it did not take long for him to become a beloved character. For years, his enemies have poked and prodded him to test his invulnerability until one glowing green rock became the bane of his existence. Since then, Kryptonite has become Superman's most famous weakness, but it's not his actual Achilles heel.
Source：https://www.cbr.com/superman-kryptonite-mind-control-dc/
