Dr Felix Haynes
Philemon 1:24 (NIV)
24 And so do Mark, Aristarchus, Demas and Luke, my fellow workers.
Colossians 4:14 (NIV)
14 Our dear friend Luke, the doctor, and Demas send greetings.
2 Timothy 4:9-10 (NIV)
9 Do your best to come to me quickly, 10 for Demas, because he loved this world, has deserted me and has gone to Thessalonica.