How do you become a good impressionist?

To become a good impressionist, practice is key; regularly study and mimic the vocal patterns, mannerisms, and quirks of the individuals you wish to imitate. Develop a keen sense of observation and pay attention to the nuances that make each person unique. Additionally, performing in front of an audience can help refine your skills and build confidence. Lastly, seek feedback and continuously adapt your technique to improve your craft.