The eye can be the most expressive element for the character. It could be two simple dots or very expressive. Draw lines underneth to show some tiredness. Eyelashes for a cute character. Using eyelids can change the entire facial features. Big eyes can show a happy, curous expression. Small,squinty eyes can show an angry, irratated expresssion....

You can create cartoons with basic shapes. Adding clothing, expressions and background will make your character individual. Use simple shapes to build up the character's features. Main shapes are square(rectangle), circle and triangle. Use 3-D shapes for advanced cartoons....