Elon Musk asked a U.S. judge on Friday to throw out a $258 billion racketeering lawsuit accusing him of running a pyramid scheme to support the cryptocurrency Dogecoin.

In an evening filing in Manhattan federal court, lawyers for Musk and his electric car company Tesla Inc (TSLA.O) called the lawsuit by Dogecoin investors a "fanciful work of fiction" over Musk's "innocuous and often silly tweets" about Dogecoin.