Joel.

1 Samuel 8:2
The name of his firstborn son was Joel, and the name of his second was Abijah. They were judges in Beersheba.

Shemaiah.

1 Chronicles 9:16
Obadiah son of Shemaiah, the son of Galal, the son of Jeduthun; and Berechiah son of Asa, the son of Elkanah who lived in the villages of the Netophathites.

Gog.

(1) A Rubenite.

1 Chronicles 5:4
The descendants of Joel: Shemaiah his son, Gog his son, Shimei his son,

(2) Prince of the land of Magog.

Ezekiel 38:2, 3, 14, 16, 18
"Son of man, set your face against Gog, of the land of Magog, the chief prince of Meshech and Tubal. Prophesy against him . . .

Ezekiel 39:1, 11
As for you, O son of man, prophesy against Gog and tell him that this is what the Lord GOD says: 'Behold, I am against you, O Gog, chief prince of Meshech and Tubal. . . .

Ezekiel 38:15
And you will come from your place out of the far north--you and many peoples with you, all riding horses--a mighty horde, a huge army.

Ezekiel 39:2
I will turn you around, drive you along, bring you up from the far north, and send you against the mountains of Israel.

Ezekiel 38:8
After a long time you will be summoned. In the last years you will enter a land brought back from war and regathered from many peoples to the mountains of Israel, which had long been desolate. They had been brought out from the nations, and all now dwell securely.

Ezekiel 38:12
in order to seize the spoil and carry off the plunder, to turn a hand against the desolate places now inhabited and against a people gathered from the nations, who have acquired livestock and possessions and who live at the center of the land."

Revelation 20:8
and will go out to deceive the nations in the four corners of the earth, Gog and Magog, to assemble them for battle. Their number is like the sand of the seashore.

Shimei.

2 Samuel 16:5
As King David approached Bahurim, a man from the family of the house of Saul was just coming out. His name was Shimei son of Gera, and as he approached, he kept yelling out curses.