Describe a diablico sucio. Write your answer in English.

A "diablico sucio" is a term used in Spanish to describe a "dirty devil." It refers to a deceitful and manipulative individual who engages in immoral or unethical behavior. This person may have a tendency to lie, cheat, or engage in underhanded tactics to achieve their goals. They are often seen as cunning and sneaky, using their manipulative skills to take advantage of others for their own personal gain. A "diablico sucio" can be someone who lacks empathy and disregards the rights and feelings of others. Their actions may cause harm or distress to those around them, making them a notorious figure in social or professional settings.