Webwere roaring kitty’s gamestop posts illegal? A former sec lawyer explains the recent scrutiny. Roaring kitty’s posts on social media seemingly influenced. Webkeith gill, the man better known as roaring kitty, who became one of wall street’s unlikeliest celebrities during the meme stock mania of 2021 before disappearing. Webkeith gill, known as 'roaring kitty' on youtube, allegedly duped retail investors into buying inflated stocks while hiding his sophisticated financial background. Webin a proposed class action filed friday in brooklyn, new york, federal court, gamestop shareholder martin radev sued gill for securities fraud, claiming he was.