The company Founders new title was listed in a regulatory filing.

It also listed finance chief Zachary Kirk Horn as master of Coin.

No explanation for the cryptic new titles was offered, but one might refer to Tesla's new interest in Cryptocurrencies.

Last month, the firm revealed it had bought $1.5 billion of Bitcoin.

Tesla will soon accept it as payment for its cars.

The news helped send Bitcoins price soaring over the weekend.

The virtual money hit fresh record highs around $62,000.

Musk has also promoted alternative Cryptocurrency Does Coin, which was founded just as a joke.