How old is Jesus?
Where is he from?
Why do people believe in Jesus?
What is his real name?
Why is he dead?
Why do people think of him?
What does he look like?
Do you like him or not?
Do you think he is nice and kind and helpful?
Why do they pray to God and Jesus?

It would be nice to think that your questions were sincere, so I'm going to recommend a small book to read instead of answering directly. It is quite short -- shorter than many novels today. It is called the New Testament and it is found in the Bible. The questions you ask are addressed there.