As I understand it, lightning is more likely to strike the same spot mutliple times than not. Each strike primes the air for the next one. That or Zeus has had a lot of practise.
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.'