Who started “"This Is Fine" dog”?

KC Green, on Open web, Jan 9, 2013. It reached 5 platforms in 13.3 years.

LineageEach dot, 100 reddit image posts matched in July 2016 to July 2017 studyContestedKey steps, 12 of 16. Lines follow time and platform
KC GreenFirst post4chan /vr/ usersOpen webtheonefosterRedditPlatform jumpPressPlatform jumpBacklashOwner responseCommercialMilestoneAfterlifeBacklashPatient zero