So far the only character I care about is the handler, but it is not his show. Another problem is that after 2 episodes the only person's name I remember is Echo's, and that isn't even really her name.
The handler is my favorite so far. For a guy like Joss who's not big on dads in his shows, he's pretty good at building up a fatherly figure for the one or more of the other main characters.
I agree with an earlier comment that it'll be hard to really care for Echo until she really starts remembering stuff; although the strange poison was another jolt for Echo to start remembering stuff - I suspect Joss will use a few more such incidents to cause the memory flashes to persist.
I agree with you on the names though. I'm usually pretty good with names, but Echo and Sierra were the only names I remembered from the first episode, and after this one Langton, Topher, and Ballard are sticking. Still no real clue on the boss lady or her right hand goon-in-a-suit.
Also, Mark Sheppard guest star. Joss got him in again