Osgood is certainly a beloved character. However, her most endearing quality should also categorically exclude her from becoming a regular: she’s a Mary Sue. Granted, she hasn’t committed the cardinal sin of Mary Sues by impossibly, single-handedly saving the day despite being surrounded by a plethora of more qualified people, but she’s a Mary Sue nevertheless.
This week, “The Zygon Invasion” revealed the shapeshifting Zygons, galactic refugees since their world was destroyed, have been secretly welcomed into the Earth population. After a rather unique peace treaty was hammered out after “Day of the Doctor,” UNIT allowed 20 million Zygons to masquerade as humans and live