Possible Clues:

• Fibber of old radio
• Fibber or Molly of old radio
• Bobby in a 1971 #1 hit
• Radio Fibber
• Fibber ___ of classic radio
• Fibber or Bobby
• Janis Joplin's "Me and Bobby ___"
• "Me and Bobby ___"
• Molly of classic radio
• Famous Fibber