James MacFarlane
From Tardis Wiki, the free Doctor Who reference
James MacFarlane was a journalist who shared several adventures with the Eighth Doctor.
Biography
James travelled to Victorian Edinburgh in the 1890s to investigate rumours regarding vampires. He encountered the Eighth Doctor there and they uncovered a den of vampires but found they were innocent. In actuality, a Bowship had been mentally influencing the people of Edinburgh. The Doctor convinced it the war was over, restoring the city. (AUDIO: The Scent of Blood)
Later, James met the Doctor in Cardiff. (AUDIO: The Code of Flesh)
He met the Doctor again in Antarctica during the 1900s. (AUDIO: The Teeth of Ice)