The 81-year-old actor urged those living and working in Liverpool to take part in the massing testing pilot.
The viewer said he had brightened her day while she had to shield for months.
A message from the band's Twitter account told the actor to 'f*** off'.
The actor and presenter has opened up on his role as a father.
The 73-year-old's two sons appeared in cute crocodile costumes in the video.