Question mark
In the early 13th century, when the growth of communities of scholars (universities) in Paris and other major cities led to an expansion and streamlining of the book-production trade, punctuation was rationalized by assigning Alcuin's stroke-over-dot specifically to interrogatives; by this time the stroke was more sharply curved and can easily be recognized as the modern question mark.
List of minor characters in Judge Dredd
The question mark was part of his surname, which was a running joke each time someone asked him what his name was, when people would become confused and rephrase the question.