Possible Clues:

• Committee head working as a lead guitarist?
• Cozy porch seat
• Relaxing location to sit
• Shaking rug after Charlie's moving seat
• Quaint porch seat
• Item of furniture dumbfounding person presiding
• Mythical bird, penguin and a rich flighty type going back and forth on the American porch
• Seat occupied by a professor of pop?
• Seat mounted on curved supports
• Possibly a rich furniture collector owns this?