According to the bible, Judas and Peter were two different people that both betrayed Jesus, fulfilling the prophecy that Jesus would be denied.
The apostle Paul probably had the greatest influence on Christianity.
Russian Orthodox Christianity
Christianity
Peter and Paul were very active spreading Christianity. They took it to Europe and Peter dies in Rome.
The role that the disciples played in the development of Christianity included establishment of the church such as that began by Peter.
Simon Peter was a Jew. Judaism and Christianity did not come to be considered different religions until long after Peter was dead.
Simon Peter
All of the apostles and Jesus were Jewish, however, they began Christianity.
Peter, traditionally regarded as one of the founders of the Christian Church, significantly influenced the development of early Christianity, particularly in the formation of the Catholic Church. His teachings and leadership laid the groundwork for the establishment of papal authority and the sacramental life central to Catholicism. Additionally, Peter's influence extended to Orthodox Christianity, as both traditions share a common heritage. However, his impact is less pronounced in Protestant denominations, which emerged later and often diverged from traditional views of church authority and sacraments.
After the Edict of Milan in 313 AD, Christianity became an official religion along with all the others. Note that in 313 it was an official religion, it was not the official religion until 380 AD.
Disney has influenced the cultural development with his films such as Bambi and Peter Pan.