Thaddeus Campbell is an antagonist of the 2012 video game Dishonored. He is the High Overseer of the Abbey of the Everyman and is the right-hand of Hiram Burrows with whom he plotted the coup against Dunwall's empress Jessamine Kaldwin. Though both manage to blame the Empress' bodyguard Corvo Attano for the murder, Corvo escapes custody and starts hunting down those who wronged him. He is Corvo's first target and is eliminated in the Abbey's headquarters at Holger Square.