How do you get the various titles?

[BogMod]

You get 'the great' and 'the holy' by doing the prestige/piety thing. What about other titles like the wise, or ill-ruler? Anyone know?

 

[unmerged(424234)]

You only get them if you are independent.

 

[JonStryker]

http://ckiiwiki.com/Nicknames

 

[ziamatt]

You only get them if you are independent.

I've definitely gotten nicknames before as a vassal.