Indeed. Take the example of Cohen the Barbarian, the last and greatest of the Barbarian Heroes in all of Discworld. Over 90 years old, toothless and creaky, he managed to surprise many a foe who failed to realise that you don't get to be a 90-year-old Barbarian Hero unless you're very, very good at it.
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'