|“||I've tried my best to keep the world safe. Hope I made you proud.||„|
|~ Bumi to a statue of his father|
Bumi is one of the supporting characters of The Legend of Korra. He is Avatar Aang and Katara's first child and eldest son, as well as the only one to be born a nonbender among the couple's three children; he later developed airbending abilities after the Harmonic Convergence of 171 AG. Before his retirement, he was the commander of the Second Division of the United Forces.
Bumi is Avatar Aang and Katara's first child and eldest son. Originally a nonbender, he later developed airbending abilities in season 3 after Harmonic Convergence. Before his retirement, he was a respected commander of the United Force. Despite his immaturity, Bumi is known for his leadership, strategy and bravery.
When Pema asked Katara if Tenzin and his siblings were as rambunctious as her own children, Katara replied by saying that Bumi was. Bumi is described by General Iroh as being a "bit of a wild man, but the bravest commander you'll ever meet", a statement he partially confirmed when releasing a large celebratory bellow as his way of greeting those awaiting his arrival at Republic City. Growing up as the only nonbender in his family, he adopted a wild, determined personality to prove that he can do everything a bender can, something he was proud of. Despite his extrovert nature, Bumi felt guilty over not having been born an airbender like his father wanted, though hoped nonetheless that he was making Aang proud by devoting his life to making the world a better place.
Bumi is also a bit of a story teller, able to turn "a story about buying figs into a feat of derring-do".
Bumi has an affinity with the spirits, being able to partially understand them and easily befriending a dragonfly bunny spirit whom he named Bum-Ju.
After the Harmonic Convergence of 171 AG, Bumi developed airbending abilities. At first they only manifested when scared for his safety; however after a few weeks of practice, Bumi was able to demonstrate multiple air blasts at will. He was able to take on Ghazan, an earthbending and lavabending master for a short amount of time. He is able to follow the airbending style of "getting behind your opponent" as shown when he dodged Ghazan's lavabending and jumped on his back to tackle him from behind. He is able to use airbending to save his sister and himself from falling down the mountain ranges in the Northern Air Temple.
Bumi is a capable leader, having formerly been a commander of the United Forces' Second Division. He is shown to have great charisma, able to quickly rally supporters in battle. He is renowned for his strategic thinking and courage, though these attributes are often overshadowed by his apparent immaturity. He is known to finish his missions using unorthodox and sometimes bizarre strategies, to a point where Tenzin deemed his stories as absurd and convoluted. He describes himself as having an acute intellect and cat-like reflexes, which he proved with his proficiency in boxing and knife-throwing. He also has some degree of physical strength, as he was able to carry both Mako and Bolin at the same time whilst they were unconscious. Being a former military man, Bumi is also proficient in Morse Code and cryptonyms, being fluent in code name conventions.
Bumi also has some skill playing the flute, enabling him to produce sounds that can subdue a dark spirit on occasion if the entity is perceptible to it. Similarly, while not as adept as his father or niece Jinora, Bumi is shown to have a natural connection to spirits. He is able to communicate with them to the point of understanding when a given situation is urgent, saying that he "got the gist" of what they are trying to tell him.
- Bumi was named after Aang's childhood friend, King Bumi.
- Both men share a rowdy, wild, and reckless personality, along with a similar gruff appearance and unorthodox intelligence.
- Until he developed airbending abilities, Bumi was the first known nonbender and non-airbender child of an airbender.
- He was also the only known child of a member of the original Team Avatar to be a nonbender.
- Bumi is the only known new airbender to be descended from an original airbender.
- Bumi claims that the United Forces threw him into a potato sack to get him to enlist.