Heat oven to 350°F. Grease large cookie sheet. Place dough seam side down on cookie sheet; form into "S" shape. With kitchen scissors, cut 1-inch deep, v-shaped notches to cover entire top and side surfaces of dough to resemble scales on reptile. Cut 1-inch deep horizontal cut on 1 end of dough to resemble mouth. Crumble small piece of foil to form 1-inch ball. Grease foil and place in mouth opening to hold open during baking.
Bake 26 to 30 minutes or until golden brown. Cool at least 15 minutes.
Cut bread in half horizontally. Spread cut sides with mayonnaise. Layer lettuce, ham and cheese between halves. Add olives for eyes; secure with toothpicks. Cut 1 roasted pepper piece to resemble flames. Insert into mouth of sea monster. To serve, cut crosswise into 6 pieces.