https://mattkprovideo.com/2019/07/31/a-troll-named-yellowmario-leo-thisisunfunnygmail-com/
Any one else getting annoying emails from a stupid troll named
YellowMario Leo thisisunfunny@gmail.com
He claims to have trademarked the word “hamburger” which he surely could not have
which he surel
mattkprovideo 
This person has also been targeting me, trying to get me to delete my Youtube channel.
They even took my e-mail and used it to sign me up to something under THEIR name.
I am glad you read this. I am hoping that my posting about this helps to stop that person. I’m not sure how it can. But now there are two of us we know about him. There’s probably other victims of his. Maybe together we can figure something out