John 20:24

But Thomas one of the twelve, called Didymus, was not with them when Jesus came.

John 11:16

Then said Thomas, which is called Didymus, unto the disciples, "Let us also go, that we may die with him."

Matthew 10:3

Philip, and Bartholomew; Thomas, and Matthew the publican; James the son of Alpheus, and Lebbeus, otherwise called Thaddeus;

Matthew 18:20

For where two or three are gathered together in my name, there am I in the midst of them."

John 6:66-67

From that time, many of his disciples went back, and walked no more with him.

John 14:5

Thomas said unto him, "Lord we know not whither thou goest. Also how is it possible for us to know the way?"

John 21:2

There were together Simon Peter and Thomas, which is called Didymus: and Nathaniel of Cana a city of Galilee, and the sons of Zebedee, and two other of the disciples.

Hebrews 10:25

and let us not forsake the fellowship that we have among ourselves, as the manner of some is: but let us exhort one another, and that so much the more, because ye see that the day draweth nigh.

Treasury of Scripture Knowledge

Summary

But Thomas, one of the twelve, called Didymus, was not with them when Jesus came.

Bible References

Was

John 6:66
From that time, many of his disciples went back, and walked no more with him.
Matthew 18:20
For where two or three are gathered together in my name, there am I in the midst of them."
Hebrews 10:25
and let us not forsake the fellowship that we have among ourselves, as the manner of some is: but let us exhort one another, and that so much the more, because ye see that the day draweth nigh.