You have to remember these pensive-looking fellows would have been brightly painted in the Middle Ages. The Minster was not a drab limestone colour when it was finished.
They were all painted. Each of the saints had their own colour scheme so the illiterate peasants would know who they were looking at. And the stonework in general was painted in patterns,
Wait a minute... OOOOHHHHH!! "Chocolate Heaven!!!!" XD