Thought of this suddenly at about 2am last night. I stopped laughing long enough to draw/colour it.
To BBC's Merlin and Monty Python fans this should be pretty obvious. If not here's the clip from Monty Python's Holy Grail that it references: [link]
Kinda proud of myself for thinking of the crossover.
Other Merlin/Holy Grail crossovers: [link]
and [link]Merlin and its characters (c) BBC etc.