Oscar's Grouchy Sounds is a 1990 Sesame Street board book about Oscar's favorite sounds -- including trays crashing, noisy traffic and off-key music. Characters include: Barkley, Bert, Betty Lou, Biff, Big Bird, Bruno the Trashman, Cookie Monster, Ernie, Grover, Herry Monster, Honkers, Mr. Johnson, Oscar the Grouch, Sully, Twiddlebugs.