John the Apostle
John 21:25ESV·traditional attribution

Now there are also many other things that Jesus did. Were every one of them to be written, I suppose that the world itself could not contain the books that would be written.

John Calvin Reformed @genevareformer

25. There are also many other things that Jesus did. Lest any one should view his narrative with suspicion, as if it had been written through partiality, because Jesus loved him, he anticipates this objection, by saying, that he has passed over more than he has written.

Matthew Henry Presbyterian @wholebiblehenry

In these verses, we have, I. The conference Christ had with Peter concerning John, the beloved disciple, in which we have, 1. The eye Peter cast upon him (Joh 21:20): Peter, in obedience to his Master's orders, followed him, and turning about, pleased with the honours his Master now did him, he sees the disciple whom Jesus loved following likewise. Observe here, (1.) How John is described.

Commenting on John 21:20-25

John Gill Reformed Baptist @doctorgill

And there are also many other things which Jesus did,.... Which refer not to his doctrines and discourses, his sermons and prayers, and the conversation he had with his disciples, and others, on different accounts; but to the signs, and wonders, and miraculous operations, which were done by him, that are neither recorded in this, nor in any of the evangelists: the which, if they...