Millionaire

In Pete's World, Pete Tyler became a millionaire by 2007 thanks to his health drink, Vitex. (TV: Rise of the Cybermen)

When the Third Doctor claimed that he could get money quite easily, Luigi Rossini called him an "eccentric millionaire". (TV: Terror of the Autons)

Luke Rattigan became a millionaire overnight when, at age 12, he invented the Fountain Six search engine. (TV: The Sontaran Stratagem)