Links open with New International Version (NIV) verses.
Unless otherwise stated, links applicable in both King James & NIV.

Thomas named one of the 12 Disciples - Matthew 10:3; Mark 3:18; Luke 6:15
He travels with Jesus who raises Lazarus from the dead - John 11:16
Thomas sees Jesus in the Upper Room after He was resurrected - John 20:24-28; Acts 1:13
Several disciples see Jesus again after He rose from the dead - John 21:2