Male personality traits are typically not something we consider until they become very important to us. And as we mature, this typically takes place. Knowing your personality type may make it easier for you to accomplish your life goals. Male personalities can be classified into six categories. Greek letters are referenced in their names. There are therefore male members of the following fraternities: Alpha, Beta, Gamma, Omega, Delta, and Sigma. Every type has distinctive qualities that set it apart from the others.