Hello and welcome!!!
To access your signature go to the menus under your profile picture:
Profile > Forum Profile > Scroll to the box that says Signature
To code a character profile in:
Copy the url for your character.
Type the following into the signature box:
[url=LINK]CHARACTER NAME[/url]
So for example my character would look like this:
[url=http://www.spiritsoftheearth.net/smf/index.php?topic=25839.0]Agapito[/url]
And when completed then shows this:
AgapitoHope this helps!
If not give a shout or if you have any other questions, we are more than happy to assist!
Happy writing!