Can you identify the famous TV character from the rebus below?

It belongs to you, but other people use it more than you do. What is it?

I am an eight letter word and I am a computer terminology.
The second, third and fourth letters make an animal.
The fourth, fifth, sixth, seventh and eighth letters make a weapon.
The first, second, third and fourth letters can be taken as an outcome of any exam.
The fifth, sixth, seventh and eighth letter combine to form a high end typing software.

Can you tell who am I ?

I guess 76.8% of readers will like this riddle.

What's the least number of people should read this post?

Can you find out the total number of triangles in the given figure?

Through your logical capabilities, can you make 7 an even?

Replace the question mark with the correct number in below Picture:

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

Detective Rockford was jogging near the beach at 4:30 am.
He hears a sound near the shack "No Michael, Please Do not shoot me".
Next instance he heard the sound of gunfire. Rockford rushes to the shack where he finds women lying dead and a gun in close proximity of three "Doctore Lawyer and a Teacher".

Rockford immediately knew that the Lawyer has committed the crime. How?