Possible Clues:

• Believing that nothing can be known about the existence of God
• Doubter
• Sceptic
• Cogs ain't engineered by sceptic
• Lacks faith, as head barman is not around? Pole is in charge!
• Coasting (anag.)
• One believes that nothing can be known about the existence of God
• Religious sceptic
• Sceptic acting so badly
• Believing that we can know only about material things