King Saul, Solomon, Ahab, and Rehoboam were bad kings who disobeyed God and promoted idolatry. King Saul tried to kill David and did not follow God's commands. King Solomon had many pagan wives who led him away from God. King Ahab and his wife Jezebel promoted the worship of Baal and allowed evil acts. King Rehoboam ignored wise counsel, mistreated people, and adopted pagan worship.