Mario (The Ghosts of N-Space)

 was the second cousin of Brigadier Lethbridge-Stewart's Granny McDougal, but he was referred to as the Brigadier's "great uncle" for simplicity. He asked the Brigadier to help when Max Vilmio's efforts to take over his castilo became extremely aggressive and violent. Alongside the Brigadier, Jeremy Fitzoliver, Maggie and Roberto, they fought off Vilmio's mob. (PROSE: The Ghosts of N-Space)