The king of Ammon around the time the Kingdom of Judah was destroyed by Babylon.
There is a mention that he incited Ishmael (son of Nethaniah), one of the commanders leading the remaining Judahite army at the time, to instigate a rebellion, but this has not been clearly confirmed.
Jeremiah 40:13Now Johanan) son of Kareah and all the army officers in the open country came to Gedaliah) at MizpahJeremiah 40:14and said to him, “Do you not know that Baalis king of the Ammonites has sent Ishmael) son of Nethaniah) to take your life?” But Gedaliah) son of Ahikam did not believe them.Jeremiah 40:15Then Johanan) son of Kareah said to Gedaliah) privately at Mizpah, “Let me go and kill Ishmael) son of Nethaniah), and no one will know it. Why should he take your life and cause all the Jews who have gathered around you to be scattered, and the remnant of Judah to perish?”Jeremiah 40:16But Gedaliah) son of Ahikam said to Johanan) son of Kareah, “Do not do this thing, for you are speaking falsely about Ishmael).”