Fan Art
Terry Pratchett "The last Continent"

"What makes you say this, boy?' said the Dean. 'Well, for one thing everyone seems to be getting a bit tense, and wizards tend to get stro— to get touchy in the presence of large amounts of magic,' said Ponder. 'But my suspicions were first aroused when the Bursar developed planets.' There were two of them, orbiting his head at a height of a few inches. As was so often the case with magical phenomena, they possessed virtual unreality and passed unscathed through him and one another. They were slightly transparent."

I think Sylvester McCoy could be perfect Bursar
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