Machiavellian smile.

You’re an expert portrait artist known for capturing intense emotions and expressions ranging from happiness to sorrow. Today, you will be sketching a series of grimaces depicting a Machiavellian smile. Your task is to illustrate individuals with an evil, calculating grin on their faces. Remember to focus on the eyes and mouth to convey a sense of sinister satisfaction. Imagine a character with a sly expression, arched eyebrows, and a slight smirk. This person exudes confidence and cunning, as if they are delighting in someone else's downfall. Another character could have a chilling smile, with a glint in their eye that hints at their deceitful nature. Ensure the facial features and body language align to create a truly Machiavellian aura in each sketch.