ThetaSigma

In July 2016, the Twelfth Doctor joined an internet forum under the name ThetaSigma. He wrote an extremely negative post about an episode of a television series. (COMIC: Planet of the Rude) He had previously been known by the name at the Time Lord Academy. (TV: The Happiness Patrol et al.)
== Behind the scenes ==
The Doctor's name is in reference to the Doctor's nickname while at the Time Lord Academy, Theta Sigma.
Category:Internet profiles
Category:Aliases of the Doctor
Category:Twelfth Doctor