Category Events - United States, Milwaukee (WI) Spread the word! Mojo Dojo Comedy hosts a FREE Open Dojo every Wednesday at 7PM! Open Dojo is a place where improvisers can mix, mingle, and play in a fun and supportive environment. Each week highlights a particular area of focus, led by a Mojo Dojo Sensei. At the Open Dojo we do group warm-up exercises, short scenes, and longer team montages. Bring your ideas, enthusiasm, and an open mind, and let's have some fun!