The letters inside the ichthys, "ΙΧΘΥΣ", stand for "Jesus Christ, Son of God, Savior" in Greek.
The letters “INRI” are initials for the Latin title that Pontius Pilate had written over the head of Jesus Christ on the cross
the birth of Jesus Christ. the birth of Jesus Christ.
Ιησούς Χριστός
No. Jesus=Christ. Zeus=Greek god.
Savior.
In the Lutheran religion, IHS is a symbol representing the name of Jesus Christ. It is derived from the first three letters of the Greek spelling of Jesus: I (iota), H (eta), S (sigma). The symbol is commonly used in Lutheran churches as a way to honor and invoke the name of Jesus.
In Byzantine and Orthodox images, inside each of the bars of the cross in Christ's halo is one of the Greek letters ώ Ό Ν making up I AM-literally, "the Existing One" - indicating the divinity of Jesus. Source-Wikipedia
lesous = Ιησούς = Jesus (Christ)
No. Christ is the English translation of the koine Greek word Χριστός (Kristos) which is a title that means one who is anointed. This is used to refer to Jesus of Nazareth (Jesus Christ) as a messianic figure, or "Jesus the anointed".
"Ixthus" or "ichthus" is some kind of secret acronym for Jesus Christ. It is spelled with the Greek letters iota (i), chi (x or ch), theta (th), upsilon (u) and sigma (s), which forms an acronym for the Greek title "Iesous Christos, Theou Uion, Soter" which translates to "Jesus Christ, God's Son, Savior" The word "Ichthus" is a Greek word for fish, and that is how fish came to symbolize Jesus Christ.
Joshua bar Joseph Messiah - Joshua son of Joseph Messiah. That is the name transliterated from Hebrew to English (I don't know how to write Hebrew here). The name Jesus is the Greek translation of the Hebrew Joshua and the title Christ (not a name) is the Greek translation of the Hebrew title Messiah. Jesus Christ is actually a transliteration from Greek to English.