Choose ''New Officer'' from the main menu,then create a new officer with one of the following names to unlock a secret character.The secret character don't have special faces,but almost all of them have better abilities and skills.You'll here a fanfare if you've entered a name correctly,after which the character's Type,Ability,Skills and Gender cannot be modified.
Note that you must enter the first name of each character in the ''last name'' box on the left, and vice versa.Only the first letter of each first name and each last name should be capitalized:

Mark Antony
Daniel Boone
Augustus Caesar
Jeanne Darc
Lady Diana
Albert Einstein
Mahatma Gandhi
Robin Hood
Harry Houdini
Genghis Khan
Abe Lincoln
Thomas Paine
Nikola Tesla
Dynasty Warrior
George Patton(note: put a space after ''George'')
Mother Theresa(note: put a space after ''Mother'')
Benedict Arnold
Sitting Bull
Julius Caesar
Charles Darwin
Wyatt Earp
Ben Franklin
Ulysses Grant
Crazy Horse
Norma Jean
Robert Lee
Gitaroo Man
Betsy Ross
Sun Tzu
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