Qanon is a fairly new conspiracy theory, partly boosted by the Trump era and the pandemic Covid. It became known to the wider public when the capitol in Washington was stormed on January 6 2021.
The man wearing the horns is said to be a member of the Qanon.
It is not easy to understand, since it has some political elements to it, but we will have a go. There is laughter in this video, but what is being said is real – this is what Qanon believes.