In what way?
What did they bring that made the game or game world better?
Not as an argument, I just don't remember those. Not just by name at least.
You made me want to replay (again!) Arcanum, just for the sake of this topic!
I have two major problems with examples from "the best game evah":
1) some time ago I realized that I'm an absolute fanboy of the game, and thus all my opinions about it are biased... like, very much
2) all characters I remember are IMO too important to call them minor, so even being a blinded, rabid fanboy, I must restrain myself.
But let me end F:NV so I can focus solely on Arcanum and I will come up with names. You'll see
Until that happens, let's settle with a gnome henchmen from a half-ogre conspiracy quest - and yes, I can't get more biased as that's my #1 sidequest ever.
This is it, the peak of my zealousness. Let us proceed.
I refuse to remember the name of that disgusting worm and though it has a zero impact on the game (thus proving he was right saying his death won't change anything) I never, ever let him go. And never will.
To this day I fantasize that after the credits rolled, my char took upon himself to wage a vendetta against gnomes occupying important positions all over the continent. Probably assassinating many innocents and turning into involuntary evil in the process...
But you have to understand - my favourite char was a too smart for his own good half-ogre. It was personal
/zealot mode off