"Jesus Christ" isn't His name, either. It was "Jesus bar Joseph".
"Christ" was His Title (Anointed) - so you're back at square one . . .
What we really need to understand is that Sola Scriptura is a baseless and self-refuting heresy.
NOWHERE do the Scripture teach that everything we know about God and His Church must be explicitly gleaned from the pages of Scripture. NOWHERE does Scripture claim to be the SOLE Authority.
Scripture DOES, however, make this claim about Christ's Church (Matt. 16:18-19, Matt. 18:15-18, Luke 10:16, John 16:12-15, John 20:21-23).
For example, Scripture is silent on the METHOD of Baptism.
Early Christian writings, however, such as The Didache (AD 50) show that although Immersion wasa the preferred method - provisions were made for POURING over the head. This was ALWAYS accompanied by the invoking of he Father, Son and Holy Spirit.
The Didache (Teachings of the Twelve Apostles) was written while the Apostles were still alive.
Chapter 7. Concerning Baptism
And concerning baptism, baptize this way: Having first said all these things, baptize into the name of the Father, and of the Son, and of the Holy Spirit, Matthew 28:19 in living water. But if you have not living water, baptize into other water; and if you can not in cold, in warm. But if you have not either, pour out water thrice upon the head into the name of Father and Son and Holy Spirit.
The Early Church Fathers attest to the fact that not only was this taught by the Apostles - but that they ALSO passed down the Tradition of Infant Baptism . . .
Justin Martyr
For, in the name of God, the Father... and of our Savior Jesus Christ, and of the Holy Spirit, they then receive the washing with water. For Christ also said, "Unless you are born again, you shall not enter into the kingdom of heaven" (First Apology 61 [A.D. 151]).
Irenaeus
He [Jesus] came to save all through himself – all, I say, who through him are reborn in God; infants, and children, and youths, and old men. Therefore he passed through every age, becoming an infant for infants, sanctifying infants; a child for children, sanctifying those who are of that age . . . [so that] he might be the perfect teacher in (Against Heresies 2:22:4 [A.D. 189]).
Hippolytus
Baptize first the children, and if they can speak for themselves let them do so. Otherwise, let their parents or other relatives speak for them (The Apostolic Tradition 21:16 [A.D.215]).
Origen
The Church received from the apostles the tradition of giving baptism even to infants. The apostles, to whom were committed the secrets of divine sacraments, knew there is in everyone innate strains of [original] sin, which must be washed away through water and the Spirit (Commentaries on Romans 5:9 [A.D. 248]).
Cornelius I
As [the heretic Novatian] seemed about to die, he received baptism in the bed where he lay, by pouring. . . . (Letter to Fabius of Antioch 6:43 [A.D. 251]).
Cyprian
As to what pertains to the case of infants: You [Fidus] said that they ought not to be baptized within the second or third day after their birth, that the old law of circumcision must be taken into consideration, and that you did not think that one should be baptized and sanctified within the eighth day after his birth. In our council it seemed to us far otherwise. No one agreed to the course which you thought should be taken. Rather, we all judge that the mercy and grace of God ought to be denied to no man born" (Letters 64:2 [A.D. 253]).
Augustine
It is this one Spirit who makes it possible for an infant to be regenerated . . . when that infant is brought to baptism; and it is through this one Spirit that the infant so presented is reborn. For it is not written, "Unless a man be born again by the will of his parents" or "by the faith of those presenting him or ministering to him," but, "Unless a man be born again of water and the Holy Spirit." (Letters 98:2 [A.D. 408]).