The Bishop was a character in Dante's Inferno that appeared only in flashbacks.
The Bishop was the "holy man" who deceived Dante and the other Crusaders into thinking that they will be forgiven for all of their sins for taking part in The Crusades. However, both Dante and Francesco immediately began to realise the Bishop's false promise of salvation after going to Hell and soon realised that their cause was not holy as he said that it was. Lucifer also referred to the bishop as the "salesman of salvation" alluding to the fact that he could not forgive sins.
In the comic by Diego Latorre, the Bishop also appeared in the third pit of the Malebolgias. Dante criticized him for lying about the Crusades. The Bishop in a last-ditch effort to trick him told Dante that his superiors lied to him as well. Dante cut him in half with his Scythe.