In the four images below, can you find the odd one out?

What is the Surname of Barbie Doll?

I have an eye but still cannot see.

Who am I?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?

Remove two matchsticks to make the below equation correct.

I am an odd number. Take away a letter and I become even. What number am I?

I am the fastest animal but cannot climb the tree. What am I?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

On a special event at the prison, 5 prisoners John, Jacob, Krist, Tang, and Dang given a chance to go to a sauna and can bring one thing with them.

Following are the things that the prisoners bring with them.
John: A soda
Jacob: Thermos
Krist: Book named "How to kill"
Tang: A Walkman
Dang: Harmonica

Since it is a Sauna, no one can see each other. After a while When the steam is switched, Tang was found dead and there was blood all around.
J Bond was called and he instantly come to know who can be the murderer. How?