It was his "I know you are but what am I?" attitude that pissed me off. Also the demands for ridiculously unreasonable evidence made in the knowledge that they were totally unrealistic, while at the same time excluding himself. Not to mention the smug superiority, the arguing with the mods about what the rules mean, the inexhaustible supply of persecution cards... everything he posted, basically. Other than that, though, he was lots of fun.
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.'