Asbo Zaprudder wrote:
ΘΣ (Theos) seems needlessly messianic but it was there in plain sight in The Pandorica Opens, of course.
No, it's Theta Sigma, the Doctor's nickname at the Time Lord Academy as established in the 1979 serial "The Armageddon Factor." That's what the writing in "Pandorica" was alluding to. Whether Bob Baker & Dave Martin intended an allusion to the classical abbreviation of "Theos" is unknown.