Michael Tanaka

 was a former boyfriend of Tegan Jovanka. He worked for her company, Verney Food Supplies in Brisbane, Australia. On 22 September 2006, he helped the Fifth Doctor after Tegan was kidnapped by Katherine Chambers and James Clarke. This act rekindled his and Tegan's relationship. (AUDIO: The Gathering)

According to one account, Tegan was said to have "seen off" two husbands by 2022, implying they eventually married. (TV: The Power of the Doctor)