Kolose 4:7

Tikhikus : a man who was a fellow worker with Paul

Kolose 4:9-10

Aristarkhus : a man who accompanied Paul on his third missionary journey

Barnabas : a man who was Paul's companion on several of his journeys

Markus : a nephew of Barnabas and companion of Paul; author of the Gospel of Mark

Onesimus : a man who was the slave of Philemon