Who started “Sick Duo”?

@youcancallmefox, on X, Aug 26, 2024. It reached 4 platforms in 7 months.

LineageContestedKey steps, 10 of 16. Lines follow time and platform
This Duolingo app icon is absolute nightmare fuel. I hate that they did this to me.DuolingoBefore the first post@youcancallmefoxFirst postu/PerspectiveOne2087RedditOwner responsePressPeakBacklashBacklashPlatform jumpAfterlifePatient zero