How do you add a signature?

[Mooney]

Call me stupid, but I can't seem to find out how to add the signature at the end of my posts.
So, how do I add a signature?

 

[breezy]

 

[Mooney]

Ahh, thanks.

 

[Lord Gaben]

xd

 

[Bronze]

xd

Eggs knee

 

[Jerry]

My signature is better

 

[Bronze]

My signature is better

You have one?

 

[Jerry]

I do

 

[GoldWatson]

Did somebody say good signatures

 

[Bronze]

Did somebody say good signatures

He he