Treguard the Dungeon Master was the host of Knightmare. He presided over the gameplay from an antechamber in Knightmare Castle.
Famed for their fearful horn, these orc-like creatures crawled the entire dungeon, striking fear into questing teams and audiences alike.
A new maid for Series 3, Mellisandre was a cheery and helpful presence who got herself in and out of danger in the dungeon.