Start reporting/documenting now-- not just mashing the button on the comment, either, use the email for Itch support. He's stalked me for over 4 months, and a friend of mine for nearly a year... with 8 throw away accounts.
https://www.itch.io/profile/ one of the following names without quotes
"sjhshshshsh", "adwawsdaswa", "awdasqwwaw2", "josh234_josh_demon_god", "asuhdsuisa", "ahahhahahah", "the-god-destroyer"and "sadasdasasfsdsdf"
Knowledge is power... feel free to read my comment history, too. I've been fighting back... the captures and links are legit, so feel free to use as necessary. I can't believe the kind of luck it takes to land in another damned comment section with that asshole. Meh.