a. Um... about a thousand, but they all go together really well.
 b. One, but I have these dangly things.  They're attached.  Is it still one?
 c. One.
 d. One.
 e. One, even though I look like more.
 f. Two.
 g. Technically, three, but I wouldn't work otherwise. 

2. So, driven anyone insane lately?

 a. I don't see what's so good about driving people insane.  I like people.
 b. No, more's the pity.
 c. Well, I drove my last owner quite nuts over a period of several years.
 d. Never had a chance.
 e. Nope.
 f. Not by myself, but I highly contributed.
 g. Not really.

3. Do you have a personality?

 a. I have a person inside me.  Does that count?
 b. I have a personality and a person.  
 c. Not really
 d. Not so you'd notice
 e. Nope.
 f. Do I ever!  I call people.  It's cool.
 g. I'm not aware of one.
 

 a. Well, I cheat very well.... And I can get rid of the darkness inside people.  It's cool.
 b. Anything you can do.  Better than you do it.
 c. I can see people's thoughts.
 d. I can go into people's heads.
 e. I can see the future and the past.
 f. I can control people's minds and do funky telekinetics.
 g. I weigh people's hearts.

5. What extras do you have?

 a. I have this pretty box....
 b. I have a card that comes with me and I can make people's eyes red.  It's cool.
 c. Gold goes with absolutely everything.
 d. As an added bonus you can take me to a locksmith so I can open your front door too!
 e. You'll never be late for anything again, and you'll know how every soap opera arc ends without having to see it!
 f. I have a knife inside me.
 g. For no extra fee I'll tell your weight and fortune too!

6. Tell me something I don't know.

 a. The person inside me was a Pharaoh and the person who owns me is his reincarnation.
 b. You can't get rid of me.  No matter what you do.
 c. I'm the hardest to use.
 d. The person who owns me is quite likely not alive.
 e. Change one little thing and I'm useless.
 f. I'm still loyal to my old owner, even though he's dead.
 g. The person who owns me is the only one to have and use two items.

7. How long have you been active?

 a. Not that long.  I was in a box until a year or so ago.
 b. I've been plotting for a long time, but only really active for a few years.
 c. Seven or eight years, more or less.
 d. A very long time.
 e. Less than five years.
 f. Five years.
 g. I'm not sure.  A while. ^^

8. Do you cause mutilation?

 a. No, and I don't see why I'd want to.
 b. Sometimes I drive my dangly bits into people.  You know, just for kicks.
 c. I'll say!  You have to mutilate yourself just to use me!
 d. I suppose I could cause internal mutilation if I really wanted to.
 e. No.  I can just tell you it's going to occur.
 f. Yup!  Remember that knife I mentioned before?
 g. Not really....
 

 a. Well, I have my handy box for when I fall apart, and when I'm together I have a necklace loop.
 b. Very.  If you don't want to port me I'll do it myself.
 c. Easy?  You'll think I'm part of you!
 d. I'm easy to make into a necklace.
 e. I'm made to be portable.
 f. Not especially, but you can just shove me through a belt loop.
 g. I'm kind of bulky, so I guess not.
 

 a. Yup.  Everyone loves me.
 b. Not by my own merits.  But I know how to ingratiate myself.
 c. Well, my last owner couldn't have functioned without me.
 d. I make my owner's life easier, but I don't know if he really loves me.
 e. I'd say not.  People are always trying to prove me wrong.
 f. My last owner, the one I'm loyal to, liked me.  My current one just uses me.
 g. I don't think so.

Mostly:
a's - the Puzzle
b's - the Ring
c's - the Eye
d's - the Ankh
e's - the Torque
f's - the Rod
g's - the Scales