Cut 6-8 slices from the cucumber (a piece of cucumber is still needed for eyes, nose and feet) and place on a plate as a caterpillar. Cut 6 feet from the cucumber peel and put them on.
Place a slice of tomato on the head and cut 2 feelers from the tomato and place them on the head.
Cut 3 circles from the cucumber skin from the leftover cucumber piece and place them on the tomato as eyes and nose.