That Jesus - see Gospel of John - told Simon Barjonas he would be renamed Kepha/Cephas/Peter was of great significance.
Did you know that, prior to Peter, that name had never been used for any man...
Brother, Chip. I gave a link to many writings of the Earky Church Fathers. Take some time to read them with an open mind and don't be too quick to argue against them. The more you read the more rational will sound the claims of the Church I fear you may think is not being honest with you
That is not what Irenaeus, one of your holy fathers of your sacred tradition, says here. Don't you believe Irenaeus and what he says here?