The people those who believe in Buddhism are called buddhist
Buddhism does not believe in prophets!
see link "Afterlife Buddhism"
They believe in Buddhism.
It's possible, but I doubt it. I actually think that Gaz IS Ghost. I heard a lot of rumors, and I believe them. I guess we'll all find out in Modern Warfare 3.
Buddhism
Christianity and Paganism although there are a few more than two religions that believe in reincarnation! :)
There are many religions that believe in more than one God. It is referred to as Polytheism. However some of the most popular modern day religions believing in Polytheism is Hinduism and Buddhism. Which are alike and different in many ways.
Nothing
Japanese people often do believe in religion. A majority of Japanese people follow the beliefs of Buddhism and Shintoism. In the modern days there are many that follow the Christian beliefs.
In Traditional Buddhism, Buddhists only believe in Buddha ; they do not have any gods.
There is no accepted dogma in Buddhism, which allows its adherents to come to believe on their own without somebody telling them what they should believe in.