The Marmalade Mirage
Knock-off of real band The Mamas and The Papas. They first appear in the story "Bunny Meets the Marmalade Mirage" in the comic book Bunny #4, March 1968.
They also appear in Harvey Pop Comics Vol. 1, No. 2, aka Rock Happening (November, 1969), which is taken over by Bunny Ball from the Bunny comic book series.