Step 6: That’s it for the initial sketch! You have the basic Peter Griffin shape, so now go in and tighten your drawing. From this point on, press harder with your pencil in order to get darker lines and a more defined sketch.
Step 7: Draw Peter Griffin's glasses by darkening the small circles. Draw a small line between them and a longer line as the earpiece on the left side.
Step 8: Inside each of Peter Griffin's eyes, draw a curved line for his lower eyelids to create his goofy look. Draw a dot inside each eye for his pupils. Draw this Family Guy character's nose by darkening the right side of the circle only.
Step 9: Use the initial shape as a guide to draw Peter Griffin's mouth. Curve the left side of the mouth up a bit toward the left eye. The bottom part should extend to the right more.
Step 10: Add Peter Griffin's chin by drawing a line that starts at the lower part of his mouth and comes down toward the bottom part of the circle. Then draw two semi circle shapes at the bottom using the vertical construction line to split them. Draw a curved line inside of Peter Griffin's mouth for his tongue.