Related Clues:

• 'Adversary' in Hebrew
• Evil guy
• He's a hell of a guy
• Primarily demonic and wicked — the master from hell?
• To whom Faust sold his soul
• Someone not to deal with
• ''Paradise Lost'' villain
• Duke's blue mascot
• One responsible for much evil
• Archfiend
• He comes from the land down under?
• "Speak of the __!"
• 'Really useful engine' of children's books
• 'The accuser of our brethren,' per Revelation
• Crafty sort