Mark 14:47
But a certain disciple that was standing nearby [i.e., Peter. See John 18:10] drew his sword and struck the head priest's servant [i.e., Malchus. See John 18:10], shearing off his ear.
Matthew 26:51-54
Just then, one of those who were with Jesus [i.e., Peter. See John 18:10], reached out with his sword and struck the head priest's servant [with it], shearing off his ear.
Luke 22:49-51
And when [the rest of] the disciples, who were gathered around Jesus, saw what was about to happen, they said, "Lord, do you want us to strike them with a sword?"
John 18:10-11
So, Simon Peter, who had a sword, drew it out and struck the head priest's slave, cutting off his right ear. Now the slave's name was Malchus.