Also, according to the Internet-fueled urban legend, if participants fail to send Charlie back to the afterlife or close the portal that allowed them to summon the demon, Charlie will haunt them.

The so-called Charlie Charlie Challenge is based on shaky science (the objective is to summon a malignant spirit from beyond the grave), but there are some real and powerful forces behind this ...

The Charlie Charlie memes have already begun. Check out this funny internet skit She added: "And the other recording was the voices of multiple young children chanting the words 'help us' in sync.