The perfect answer (via SMBC)
My Superman by Vic Malhotra
Insert random idea into head. Fast forward to spending too long working on it. Result: ???
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For Ryan ;)
The more you know…
Off the top of my head there’s also black kryptonite which turns Kryptonians eeeeeeevvvvviiiiiillllllllll. But I’m pretty sure there’s a lot more colors than just pictured here.