God appears many times in Bible. A visible manifestation of God is called a Theophany. A visible manifestation of God the Son, Chrit, to a person is called a Christophany. Here are some examples: https://www.gotquestions.org/theophany-Christophany.html
Even the Holy Spirit reveals Himself in the Old Testament:: https://www.thomasnelsonbibles.com/blog/the-holy-spirit-in-the-old-testament/
We’ve included names and attributes of God in the sections below.
The Redemptive Names of God
El-Elyon – the most High God (Genesis 14:18)
El-Roi – the God that sees, the Omniscience (Genesis 16:13-14)
El-Shaddai – God who is all-sufficient, the Almighty (Genesis 17:1)
El-Olam – the everlasting God, the Eternal One (Genesis 21-33)
Eloah – the One God (Deuteronomy 32-15; Daniel 2:11)
El-Gibbor – the Great God (Isaiah 9:6; Jeremiah 32:18-19)
Elohim.Elyon – God, the Most High (Psalm 91:1-2; 78:56)
Elohim-Saboath – God of Hosts (Psalm 80:7,14) the Omnipotence
Adonai – the Master, the Owner and the Ruler of all (Psalm 147:5; 86:12)
Immanu-El – God with us (Isaiah 7: 14; Matthew 1:21-23)
Jehovah (Yahweh, or Lord) I AM (Exodus 3:14-15) “I will be what I will be,” The Self-Existent One
Jehovah-Elohim – The Lord God, the Redeemer-Creator (Genesis 2:4)Jehovah-Elohim-Saboah[/b] – Lord God of Hosts, that is, of the host of heaven, creation and creatures ( Psalms 84:8; Jeremiah 15:16)
Adonai-Jehovah-Saboath – Lord God of Host, that is, of the hosts of heaven, creation and creatures (Psalm 84:8; Jeremiah 15:16)
Adonai-Jehovah-Saboath – Master Lord of Host (Psalm 69:6)
Jehovah Jireh – the Lord will provide (Genesis 22:14)Jehovah Rapha – the Lord that heals (Exodus 15:26)
Jehovah-Nissi – the Lord my Banner (Exodus 17:15)
Jehovah-Kanna – the Lord who is jealous (Exodus 20:5; 34:14; Deuteronomy 5:9)
Jehovah-Mekaddeskum – the Lord who sanctifies (Exodus 31:13; Leviticus 20:8)
Jehovah-Shalom – the Lord our Peace (Judges 6:24)
Jehovah-Shaphat – the Lord is Judge (Judges 11:27)
Jehovah-Saboath – the Lord of Host (1 Samuel 1:3; Psalm 24:10; 84:1,3)
Jehovah-Elyon – the Lord Most High (Psalm 7:17)
Jehovah-Raah (or, Roi) – the Lord my Shepherd )Psalm 23:1)
Jehovah- Hosenu – the Lord out Maker (Psalm 95:6)
Jehovah-Gibbbor – the Lord is Mighty (Isaiah 42:13)
Jehovah-Tsidkenu – the Lord our Righteousness (Jeremiah 23:6)
Jehovah-Shammah – the Lord is There, or Ever-Present (Ezekiel 48:35)
NAMES & ATTRIBUTES OF GOD (Some repeated)
EL SHADDAI (God Almighty, Lord of the Mountains, All-Sufficient One) – Gen 17:1, Ps 91:1
EL ELYON (The Most High God, Sovereign God) – Gen 14:17-20, Psalm 91:1
ADONAI (Lord, Master) – Psalm 123:2, Luke 5:5
YAHWEH (Lord, Jehovah, The Self-Existent One) – Exodus 3:14, John 8:58, Hebrews 13:8
JEHOVAH NISSI (The Lord Is My Banner) – Exodus 17:15, Song of Solomon 2:4
JEHOVAH RAAH (The Lord My Shepherd) – Psalm 23:1, John 10:11-18, 27-30
JEHOVAH RAPHA (The Lord Who Heals / Healer ) – Exodus 15:26, Psalm 147:3, Psalm 103:1-3
JEHOVAH TSIDKENU (The Lord Our Righteousness) – Jeremiah 23:5-6
JEHOVAH MEKODDISHKEM (The Lord Sanctifies) – Lev 20:7-8, 1 Thess 4:3-8, 5:23-24, Heb 10:10-14
EL OLAM (The Everlasting God) – Isaiah 40:28-31
QANNA (Jealous) – Exodus 34:14
JEHOVAH JIREH (The Lord Will Provide / Provider) – Gen 22:13-14, Phil 4:19
JEHOVAH SHALOM (Peace) – Judges 6:24, Num 6:22-27, Is. 26:3, Ps 119:165, Phil 4:4-7, Jn 14:27
EL ROI (The God Who Sees) – Gen. 16:13, Psalm 139:1-18
ELOHIM (Creator God, powerful and mighty) – Genesis 1:1, Psalm 19:1, Psalm 139:13-16
ZUR (The Rock) – Deut 32:4, Psalm 18:1-2, Psalm 18:31, I Cor. 10:1-4
EL (The Strong One) – Psalm 27:1,Psalm 46:1-3 Psalm 118:14
ADONAI MESHIV (The God Who Restores) – Psalm 126:4
WONDERFUL COUNSELOR – Isaiah 9:6, Psalm 16:7, Psalm 32:8
IMMANUEL (God Is With Us) – Matthew 1:23, Deut 31:6, Hebrews 13:5
ABBA (Father) – Romans 8:14-16
PEACE – Isaiah 9:6, Ephesians 2:13-14
DELIVERER – Psalm 18:1-2, Psalm 34:4, Psalm 34:7, Romans 11:26-27, 2 Timothy 4:18
GUIDE – Psalm 48:14, Isaiah 58:11, Psalm 25:4-5
HIDING PLACE – Psalm 32:7, Psalm 119:114
(BLESSED) HOPE – Titus 2:11-13, Psalm 71:5
INTERCESSOR – Romans 8:26-27, Hebrews 7:25
KEEPER – Psalm 121:1-8
LIFE – John 1:4, John 11:25-26, John 14:6
LOVE – 1 John 4:9-10, I John 4:16-19
LIGHT (OF THE WORLD) – John 1:4-5, John 8:12
MAN OF SORROWS – Isaiah 53:3-5
PORTION – Psalm 16:5-6, Psalm 73:26, Psalm 119:57
REWARD / REWARDER – Genesis 15:1, Hebrews 11:6
SOURCE – Hebrews 5:9, Romans 11:36
CREATOR – Nehemiah 9:6, Revelation 4:11, Genesis 1:1, Isaiah 45:18, Colossians 1:16
SUPPLY / SUPPLIER – Philippians 4:19
FULFILLER / FULFILLMENT – Psalm 138:8, Luke 1:45, Joshua 21:45, Lam 2:17, Ezek 12:28, Phil 1:6
WAY (The Son, specifically) – John 14:6, Acts 4:12, Acts 16:30, 1 Timothy 2:5
EXCEEDING JOY – Psalm 43:4, Psalm 16:11
FORGIVER – Col 3;13, Eph 4:32, 1 John 1:9, Isaiah 43:25-26, Col 1:13-14, Psalm 103:12, Micah 7:18-19
STEADFAST LOVE – Numbers 14:18, Psalm 117:1-2, Psalm 118:1, Psalm 136, Psalm 107, Psalm 86:5
SLOW TO ANGER – Psalm 103:8, Exodus 34:6-7, Numbers 14:18, Joel 2:13
GRACE / GRACIOUS – Psalm 86:15, Exodus 33:19, Psalm 25:16, Psalm 6:2, Numbers 6:25
SAVIOR – Isaiah 43:11, Psalm 18:2, Psalm 3:8, Psalm 98:2, Exodus 15:2,
MERCY / MERCIFUL – Ephesians 2:4-5, Titus 3:4-7, Hebrews 4:16, 1 Peter 1:3-5
JUDGE – Psalm 50:6, Isaiah 33:22, James 4:12, Psalm 9:8
LORD OF HOSTS (Commander of Heavenly Armies) – Isaiah 47:4, Psalm 46:7, Psalm 91:11
GOOD SHEPHERD – John 10:11-18, Isaiah 40:11, Micah 5:4, 1 Peter 5:4
HUSBAND – Isaiah 54:5-8, Revelation 19:7-8, Ephesians 5:25-27
FRIEND (OF SINNERS) – John 15:5, Luke 7:31-34, Matthew 9:10-13, Matthew 11:16-19
SONG – Exodus 15:2, Psalm 118:14, Psalm 40:3
STRENGTH – Nehemiah 8:10, Isaiah 41:10, Exodus 15:2, Psalm 28:7-8
KIND – Ephesians 2:7, Titus 3:4-7, Psalm 145:17, Psalm 63:3
STABILITY / ESTABLISHED – Isaiah 33:6, Psalm 93:1-2, Psalm 103:19
LIFE – John 11:25-26, John 1:3-4, Psalm 16:11, Psalm 36:9, John 3:36
GUIDE – John 16:13, Psalm 32:8, Psalm 48:14
TRUTH – John 14:6, John 8:32, Psalm 119:160, Psalm 33:4, John 17:17
FREEDOM – 2 Corinthians 3:17, John 8:31-36