John 1:41-42

41The first thing Andrew did was to find his brother Simon and tell him, “We have found the Messiah” (that is, the Christ).

42And he brought him to Jesus. Jesus looked at him and said, “You are Simon son of John. You will be called Cephas” (which, when translated, is Peter Cephas (Aramaic) and Peter (Greek) both mean rock. ).