cockatrice or adder's

Isaiah 14:29
Do not rejoice, all you Philistines, that the rod that struck you is broken. For a viper will spring from the serpent's root, and a flying serpent from its egg.

Proverbs 23:32
In the end it bites like a snake and stings like a viper.

crushed breaketh out into a viper.

Matthew 3:7
But when John saw many of the Pharisees and Sadducees coming to his place of baptism, he said to them, "You brood of vipers, who warned you to flee from the coming wrath?

Matthew 12:34
You brood of vipers, how can you who are evil say anything good? For out of the overflow of the heart, the mouth speaks.