There is no founder for Shintoism
There is know founder for shintoism.
Shintoism, Shinto
Shintoism is the major religion in Japan.
The Halawali is the key text of Shintoism.
Shintoism is a spiritual practice in Japan
Jomon
Shintoism people worship at shrines I think
Shintoism is indigenous to Japan as a spiritual practice of their people. As such, they would not normally read the Judeo-Christian Bible. However, this does not mean someone who practices Shintoism could not or has not read the Bible.
Shintoism became Japan's main religion before.
The Romans did not have any contacts with Shintoism
Shintoism and Sikhism were both founded in the continent of Asia.