I'll preface this by saying that I'm an elf fanboy, so deal with it.
Characters:
Mercule Corin - A pacifistic and very CG elf. In 2E, he was a Ranger, but in moving to 3E he got "reinvented" as a Rogue because he's really a very skill oriented character. Maxed out social skills and several knowledges.
Jedan Corin - brother to the above. Equally Chaotic, but no real morals (CN). Very prone to get into uncomfortable situations, but with his Charisma, he's rarely alone there. A Sorcerer with almost no offensive capability, but great with materials and transmutations: he has three versions of the Shrink Item spell for various purposes (including a 5th level version that is permanent). His Items become cards rather than bits of cloth and he carries around something like a dozen decks of various "things" (including a feather bed and many banquet dinners -- both very handy in a dungeon expedition).
Khorad ip Ehsan ip Farjad - A Baklunish (Arab) athlete (Thief-Acrobat). Third son of a well-to-do merchant who has sought an adventuring career because he is a non-inheritor for his family business.
Crunch - Not my character, but memorable, none-the-less. Pretty typical dumb barbarian with good leadership abilities. I like the name because, whatever other people's experience, I've rarely seen names like this on characters. Oh, and I have to mention Crunch to mention his intelligent sword named:
Sword (no silent letters) -- Intelligent +4 defender bastard sword. Has a 17 intelligence and is utterly fearless -- a trait learned from its first wielder, Crunch. Another, related, trait learned at the same time is the habit of chanting, when bored, "DemogorgonDemogorgonDemogorgonDemogorgon" in hopes that the demon prince would hear his name and come to investigate. Because this was a very real possibility, it was usually best to keep Sword amused.
Places:
Lithsellinori -- Elven nation.
Selinathin -- Capital of Lithsellinori.
Deshorah -- Another Elven nation.
As far as what makes them good names, mostly, it's just something that evokes an image or is phonetically pleasing. Or, better yet, both.
Khorad, Crunch and Sword all paint a picture. Who really needed me to say that Crunch was a barbarian or that Sword is going to be straightforward. Likewise, it should be fairly easy to picture Khorad as an Arabic person.
Khorad and most of the others are phonetically pleasing, at least to me -- and I've been told I'm good at making authentic-sounding gibberish words/names. The place names, especially are soothing to my ear, which, in turn paints another picture -- that of a peaceful land.