Characters in Skies of Glass are defined by a variety of values. While these are important and are the tools by which your character manipulates the world, the most important part of the character is your concept. All the values on the sheet should reflect the image in your head of who your character is.
Some things to consider when coming up with your character concept:
Once you have decided on your core character concept you will continue to assign Attributes, Traits, Equipment, and receive starting Bullets.