Click the edit icon (the pencil on the right).
Add your name to the list of personalities (list is in alphabetical order).
Put it in the 'WarGear Personalities' namespace, this means the link should be [[WarGear Personalities:Bio::Your_Name]]
Save the personalities page (button at the bottom)
Click your new link. This will bring you to a blank page for you to customize your profile.
Suggestions for profile – add a picture, a bit about you, a link to your WarGear profile, any boards you have designed, etc.