[grim_squeaker_x]

It cannot be used with letters unless you use some special scripting, E.G this:

NPC Code:

---

if (playertouchsme) {

  this.i=int(random(0,26));

  message #e(this.i,1,abcdefghijklmnopqrstuvwxyz);

}

---

And AlphaFlame, random is a function which uses variables so it doesn't need the #v