Isaac Netero is a significant character in the anime series Hunter x Hunter. He is known as the 12th Chairman of the Hunter Association and is considered one of the most powerful Nen users in the world. Despite his age, Netero possesses immense physical strength, speed, and a wealth of combat experience. His jovial and carefree demeanor masks his serious and strategic nature when it comes to danger and threats. Netero plays a crucial role in the Chimera Ant arc, where he faces the formidable King, Meruem, showcasing his dedication and sacrifice for the greater good of humanity.