Related Clues:

• Mayan mathematical innovation
• None at all
• Love, in tennis
• Nary a person
• "Beetle Bailey" character
• Bubkes
• Hardly Mr. Personality
• Nobody, slangily
• Round figure?
• Fourth little piggy's share
• Less than any
• Not a single person
• What the "poor dog" had
• Cipher
• Round number?