Who started “Ms Rachel (Songs for Littles)”?

Rachel Griffin Accurso, on YouTube, Feb 13, 2019. It reached 6 platforms in 7.7 years.

LineageEach dot, 100 icky Sticky Bubblegum reaction videos, approximatelyContestedKey steps, 12 of 16. Lines follow time and platform
Ms Rachel's Bubble, Bubble Pop! video thumbnailRachel Griffin AccursoFirst postFortunePressA Ms Rachel co-star in a Rolling Stone portraitParents on TikTokTikTokBacklashOwner responseCommercialCommercialCommercialPlatform jumpMilestoneCommercialAfterlifePatient zero