Seventh son of Jacob, born to Zilpah, Leah's servant. Leah named him Gad ('good fortune'). His tribe settled east of the Jordan and was renowned for fierce warriors; Moses' blessing likened Gad to a lion.
And Leah said, A troop cometh: and she called his name Gad.Genesis 30:11, KJV
Genesis 49:19
Gad, a troop shall overcome him: but he shall overcome at the last.Genesis 49:19, KJV
Deuteronomy 33:20
And of Gad he said, Blessed be he that enlargeth Gad: he dwelleth as a lion, and teareth the arm with the crown of the head.Deuteronomy 33:20, KJV
1 Chronicles 5:18
The sons of Reuben, and the Gadites, and half the tribe of Manasseh, of valiant men, men able to bear buckler and sword, and to shoot with bow, and skilful in war, were four and forty thousand seven hundred and threescore, that went out to the war.1 Chronicles 5:18, KJV
See how Gad connects to every other figure in Scripture.