"Slade Wilson (born 1968), codenamed Deathstroke by A.R.G.U.S., is a former member of the Australian Secret Intelligence Service/ASIS unit, the secret mastermind behind the Church of Blood, which he used to recruit individuals for his army, and the mentor-turned-archenemy of Oliver Queen. Slade is also the father of the late Joe Wilson, the potential father of Grant Wilson, and was also very close to Shado before her death, and he was secretly in love with her despite her affections for Oliver.