…there is likewise Blastus, who would latently introduce Judaism. For he says the passover is not to be kept otherwise than according to the law of Moses, on the fourteenth of the month. But who would fail to see that evangelical grace is escheated if he recalls Christ to the Law?
Add to these Theodotus the Byzantine, who, after being apprehended for Christ’s Name, and apostatizing, ceased not to blaspheme against Christ. For he introduced a doctrine by which to affirm that Christ was merely a human being, but deny His deity; teaching that He was born of the Holy Spirit indeed of a virgin, but was a solitary and bare human being, with no pre-eminence above the rest (of mankind), but only that of righteousness.
…After him brake out a second heretical Theodotus, who again himself introduced a sister-sect, and says that the human being Christ Himself was merely conceived alike, and born, of the Holy Spirit and the Virgin Mary, but that He was inferior to Melchizedek;
…But after all these, again, one Praxeas introduced a heresy which Victorinus was careful to corroborate. He asserts that Jesus Christ is God the Father Almighty. Him he contends to have been crucified, and suffered, and died;
Tertullian
Against All Heresies
Chapter VIII