serpent.

John 8:44
You belong to your father, the devil, and you want to carry out his desires. He was a murderer from the beginning, refusing to uphold the truth, because there is no truth in him. When he lies, he speaks his native language, because he is a liar and the father of lies.

Ye.

Genesis 3:13
Then the LORD God said to the woman, "What is this you have done?" "The serpent deceived me, " she replied, "and I ate."

Deuteronomy 29:19
because when such a person hears the words of this oath, he may invoke a blessing on himself, saying, 'I will have peace, even though I walk in the stubbornness of my own heart.' This will bring disaster on the watered land as well as the dry.

2 Kings 1:4, 6, 16
Therefore, this is what the LORD says: 'You will not get up from the bed on which you are lying. You will surely die.'" So Elijah departed. . . .

2 Kings 8:10
Elisha answered, "Go and say to him, 'You will surely recover.' But the LORD has shown me that in fact he will die."

Psalm 10:11
He says to himself, "God has forgotten; He hides His face and never sees."

2 Corinthians 2:11
in order that Satan should not outwit us. For we are not unaware of his schemes.

2 Corinthians 11:3
I am afraid, however, that just as Eve was deceived by the serpent's cunning, your minds may be led astray from your simple and pure devotion to Christ.

1 Timothy 2:14
And it was not Adam who was deceived, but the woman who was deceived and fell into transgression.