Related Clues:

• I don't believe it's what the train comes back to
• "Untrue!"
• Long-nosed Pinocchio, e.g
• Yarn source?
• "Pants on fire" person
• When doubled, a 1997 Jim Carrey movie
• One guilty of pseudologia
• He's unbelievable
• Whopper creator
• One not telling the truth
• One with his pants on fire?
• Dishonest speaker
• 109-Across creator
• Storyteller the bar sent back
• One to whom you might say, "I doubt that"