NEW YORK (FORTUNE) -
When Overstock.com chief executive Patrick Byrne went Star Wars on a quarterly conference call this summer -- deriding a shadowy figure he called the "Sith Lord" -- he set the investment community buzzing. Other company leaders have raised eyebrows in surprising ways this year too.
Here are a few of the highlights, from AIG's Hank Greenberg (Lesson: Keep your pet's health records at home) to Hollinger's Conrad Black (Lesson: Cover the security camera or wear a disguise) to Mass Mutual's Robert O'Connell (Lesson: Be nicer to your wife).
Believe it or not: FORTUNE's gallery of crazy investments