Step 15: Use the initial lines as a guide to draw the nose below the eyes. The line for the nose starts next to the eye on the right, moves down, hits the edge of the initial circle and then angles left. Curve the left side up toward the construction line and then back down a bit to create the side of the nose. Sketch lightly at first. Darken the lines when you get the shape right. Add a couple of lines at the top for Mr. Incredible's furrowed brow.
Step 16: Draw Mr. Incredible's super hero mask as a series of curved lines around the eyes. Sketch the shape of the mask lightly around the eyes. Use the initial lines as guides. When you get the shape right, darken the lines. The left side of the mask should stretch to the left almost to the edge of the initial circle. The middle of Mr. Incredible's mask should dip in. The top and bottom of should bulge outward. The right side should be flat against the side of the head.
Step 17: Under the nose, draw a short, curved line for Mr. Incredible's smiling mouth. Place the mouth directly on top of the initial circle's edge. On the left side, draw a small smile line. Below the mouth, on the right side, draw a small line to emphasize Bob Parr's big chin.
Step 18: Use the initial shapes as guides to draw the lower half of the head. Follow the basic path of the guides and darken the outer edges. As you darken the bottom, make the shape of the chin wider than the guide. Draw the left side of Mr. Incredible's jaw all the way to the edge of the initial circle. Add a curved line over the eye on the left for the raised brow.
Step 19: Draw a short, curved line on the left side of the head for Mr. Incredible's ear. Draw a smaller curved line within the ear for its structure.