Thank you for your reply Mad Jack, I appreciate your help.
Prior to asking the question I did a little research myself. I've already look through the catalog of Reaper but still I thought I might left out a few figures that I'm not aware of.
Perhaps I was not clear of my question. These characters are from the Icewind Dale and Dark Elf Triology of Forgotten Realm by R. A. Salvatore.
Artemis Entreri-esque character is actually the easiest to find, I've already found a few that are similar but still could use some expert's opinion. The following link is the one I think it's the most suitable.
<a href="http://www.reapermini.com/graphics/gallery/4/03286_G.jpg" target="_blank">http://www.reapermini.com/graphics/gallery/4/03286_G.jpg</a>
Jarlaxel is a bald, eye-patched fighter with a feathered hat. I know there are plenty of figures with feathered hat, however, none of them are bold (I can sculpt the eyepatch HEHE).
Pasha Pook is a fat merchant-like character with a cane or crossbow (weapons can be swap and its no problem), but since he came from the souther desert city, I would suspect he wears a turban or fez of somekind. I've found one close:
<a href="http://www.reapermini.com/graphics/gallery/4/02548_G.jpg" target="_blank">http://www.reapermini.com/graphics/gallery/4/02548_G.jpg</a>
Rassiter is a half human, half rat like fighter with cape and boots... so far I have not come across such figure yet.
Perhaps someone here with more experience in figure collecting or painting can give me some valuable direction or opinion. Thanks again.