The God of the Bible Is Holy:
Exodus 15:11 – notice the differentiation of God from the false gods 
Leviticus 19:1-2 
Isaiah 31:1 
Isaiah 43:3
He is a Righteous & Just Judge:
Psalm 9:8 
Psalm 50:6 
Isaiah 11 
Acts 17:22-31 
Romans 2:1-16 
Revelation 19:11
He is Unchanging:
Hebrews 13:8 
James 1:17 
He is Personal: 
James 2:23 
Jeremiah 1:4-8 
He is Forgiving:
2 Chronicles 7:14 
Jeremiah 31:31-34 
Matthew 9:1-8 
John 3 
Acts 13:13-41 
He is Compassionate:
Hebrews 4:14-16 
James 5:7-12 
He is to be Feared: 
Deuteronomy 6:1-3 
Deuteronomy 8:6 
Joshua 24:14 
Proverbs 1:7 
James 5:7-12 
1 Peter 2:17 
He is Triune – Three distinct Persons (not manifestations which conjures up the heretical image of the Oneness Pentecostal trinity) yet one God: 
Deuteronomy 6:4 
Psalm 2:7 
Proverbs 30:4 
Matthew 3:16-17 
John 14:26 
2 Corinthians 13:14 
1 Peter 1:2 
1 John 5:7 
He is Patient:
Exodus 34:6 
Psalm 86:15 
2 Peter 3:9 
He is Merciful:
Exodus 34:6 
Nehemiah 9:17 
Psalm 18:25 
Hebrews 8:12 
James 5:7-12 
He is Jealous:
Exodus 20:4-6 
Exodus 34:12-17 
Joshua 24:16-24 
1 Corinthians 10:14-22 
He is Omniscient:
Isaiah 46:9-10 
Psalm 139:1-6 
1 John 3:20 
Hebrews 4:12-13 
He is Omnipresent:
Psalm 139:7-12 

If even one of these characteristics is missing then they are following a false god.