Plo Koon was a Force-sensitive Kel Dor Jedi Master who served as a member of the Jedi High Council during the last years of the Galactic Republic. He served as a respected Jedi General during the Clone Wars, a pan-galactic conflict between the Republic and its splinter state, the Confederacy of Independent Systems. During the war he frequently undertook dangerous missions with the soldiers under his command, the 104th Battalion. Koon wore a breath mask to filter the air around him so that it matched his home planet of Dorin, and wore goggles to prevent his eye fluids from evaporating.

After training his Padawan Bultar Swan to Jedi Knighthood, Koon fought in and survived the First Battle of Geonosis, which claimed the lives of nearly two hundred Jedi and became the opening salvo of the Clone Wars. Early in the war he embarked on a mission to track down the Separatist warship Malevolence. Following several attempts to destroy the weapon, Koon and several of his peers managed to take it down. Among the Jedi he often worked with was Ahsoka Tano, whom he had discovered years before the war and shared a special bond with. During the war he played vital roles in the First and Second battles of Felucia, the Battle of Lola Sayu, and the Battle of Kadavo. As the conflict thickened, Ahsoka was framed for a terrorist attack on the Jedi Temple and was subsequently removed from the Jedi Order. When the true culprit was discovered, Koon and the Council offered her a chance to rejoin, but she refused and left the Jedi Order.

In the late stages of the Clone Wars post the battles of Coruscant and Utapau, Koon led the 442nd Siege Battalion in the Battle of Cato Neimoidia. As he and a squadron of ARC-170 starfighters flew over the bridge cities following their victory, he was shot down and executed by his troops during the issuance of Order 66, during which the Jedi were massacred across the galaxy by their own soldiers. Shortly later, Anakin, who was serving Darth Sidious would murder Viceroy Gunray and end the Clone Wars.

General Plo Koon is often considered one of the greatest Jedi in the Star Wars universe. His impressive combat skills, astute intellect, and unwavering dedication to the Jedi Order make him a standout among the galaxy's protectors.

Firstly, Plo Koon was renowned for his exceptional combat abilities. He was a master of the lightsaber and a formidable opponent in battle. He was also one of the few Jedi to have mastered the rare Force ability known as electric judgment, which allowed him to electrocute his enemies with a powerful blast of energy. His proficiency in combat was exemplified during the Clone Wars, where he led clone troopers into countless battles against the Separatists and emerged victorious more often than not.

In addition to his martial prowess, Plo Koon was also known for his sharp mind and strategic thinking. He was an adept tactician, able to anticipate his enemies' moves and outmaneuver them on the battlefield. His experience and wisdom made him a valuable asset to the Jedi Council, and he was often called upon to provide counsel on important matters.

Another key aspect of Plo Koon's character was his unwavering dedication to the Jedi Order. He was a firm believer in the Jedi Code and lived his life accordingly, always striving to uphold the principles of the Order. He was also fiercely loyal to his fellow Jedi, and was willing to risk his life to protect them and the galaxy they served.

Furthermore, Plo Koon was known for his compassion and empathy towards all living beings, even those outside the Jedi Order. He was particularly interested in the study of the Living Force, and believed that all living things were connected through the Force. This philosophy led him to become a vocal advocate for the protection of all life forms, including non-sentient creatures and droids.

Finally, Plo Koon's tragic death during the execution of Order 66 only further cemented his legacy as one of the greatest Jedi. Despite the overwhelming odds against him, he remained true to his principles until the very end, fighting to protect the innocent and uphold the Jedi Code. His sacrifice serves as a powerful reminder of the Jedi's commitment to serving the greater good and the high price they often pay for doing so.

In conclusion, General Plo Koon's exceptional combat skills, astute intellect, unwavering dedication to the Jedi Order, compassion towards all living beings, and ultimately his selfless sacrifice, make him one of the best Jedi to have ever lived in the Star Wars universe.