Keith Gill, one of the most influential voices that pushed GameStop on the WallStreetBets Reddit forum, was hit with a lawsuit that accused him of misrepresenting himself as an amateur investor and profiting by artificially inflating the price of the stock.

https://www.bloomberg.com/news/articles/2021-02-17/-roaring-kitty-sued-for-securities-fraud-over-gamestop-rise

https://www.nytimes.com/live/2021/02/17/business/stock-market-today