Yes, this!
Well first you need photoshop or some other editing program. I personally use Adobe Photoshop Creative Suite 6. You can also find these online if you don't want to pay
And then you can look up something like "how to make a signature adobe photoshop cs6" and you can find some tutorials there that will help you.
Like
or
for example
Edited by Kass, 23 November 2015 - 08:32 PM.