Wow This one is Yonks old.
Ahn Chang Ho: Do-San (Island Mountain)
Yi L: Yil Gok (Valley of Chestnuts)
Yi Hwang: Toi Gye (Returning Stream)
Yi Sun Sin: Chung Mu (Lord or Loyalty and Chivalry)
Yi Sun Sin had 2 Pen Names: Dok Sau (wish for a long Life) the Pen Name Chung Mu was awarded to him postumously in 1643 (The Order of Chung Mu is the 3rd Highest Distinguished Korean Milatary Medal).
Thought I'd better add this lot, just in case.
I am NOT homophobic... I am NOT afraid of my own house!