This is just freaky. This Momo Challenge is targeting children and when they do not comply with Momo's request, Momo threatens to kill them or their families. Momo request the child to take suicidal actions like sticking a fork in a power socket. A 12 year old girl has already died from what is believed to be completing the Momo challenge.
Now parents are taking to social media to warn parents that the video appears to be popping up in videos targeting 2-5 year old children. Please you talk to your children people.
Here's an example of a video below.