Who was Cephas in the Bible and what significance did he have in the biblical narrative?

Cephas, also known as Peter, was one of the twelve apostles of Jesus in The Bible. He was a prominent figure in the New Testament and played a significant role in spreading the teachings of Christianity. Peter is often portrayed as a leader among the apostles and was present during many important events in the life of Jesus, such as the Transfiguration and the Last Supper. He is also known for his denial of Jesus before his crucifixion, but later became a key figure in the early Christian church.