The Shadeys are a race that draws on negative emotions. They choose Robert Greene as a host for powerful negative emotions. By manipulating the dying Green they turn his hatred, bile and jealousy of Shakespeare "up to eleven", giving them enough power to crush the planet.
This is the final DWM comic strip to feature the Ninth Doctor.
Shakespeare first appears in Doctor Who in "The Executioners", the first episode of the television story The Chase. He later appeared on televised Doctor Who in The Shakespeare Code.
The name Uncle Bloodfinger is very similar to Mother Doomfinger and Mother Bloodtide, two characters who featured in The Shakespeare Code, an episode released two years after the comic. In it, three "witches" attempt to free the other members of their race, the Carrionites. The dialogue and presentation of the enemies speaking while watching the writer work is similar to several parts of The Shakespeare Code. Both were written by Gareth Roberts.