Who knows...

[Corq]

How to make your mission like this:

Jamie
-------

With the line underneath it?

Ty

[Rockstar]

Well write Jamie then do alot of space then add the ---- and just keep checking intill perfect

[Corq]

I've tried that but it just goes like this:

Jamie ------

:s

[FlyingJesus]

Do a space then alt code 0160, then space, alt code, space, alt code, again and again until you have as much distance between your name and the -'s as you want. It disables multiple spaces on their own, hence why you need the alt code for a space.