Kalluto has a silent and obedient personality, often seen doing what he is told. He is established to have a very good relationship with his mother. During the first part of the series, Kalluto doesn't mention more than six words. Later on, he appears to be more talkative. He is also shown to be quite calm with good control of his feelings. Nonetheless, it is shown in his fight against a Chimera Ant that despite his calm demeanor, Kalluto has a brutal side and a bad habit of dragging out a fight in order to toy with his victims.
Though Kalluto seems to be confident, he also displays a habit of questioning his skills and abilities when he feels that he is not good enough. Despite this, Kalluto possesses an inner resilience and determination, as seen when he reaffirms to himself that he is accustomed to enduring pain and hardship, then swears to get his brother back even when realizing his massive inferiority to other Phantom Troupe members.
Kalluto seems to be quite loyal to his comrades as he offered to help Feitan in his fight against Zazan, but was rejected. He seems to care for his older brother Killua (judging by his goal to bring him back home no matter how many years it takes), though it is not clear if the feelings are mutual, since Killua is never shown interacting with him or even acknowledging his presence, despite some scenes where they're in the same vicinity.
Kalluto is said to be envious of his other older sibling Alluka, for reason that has yet to be revealed.
Kalluto has a shoulder-length black hair that wears in two side pony tails and pink eyes. He has a mole on the left side of his mouth. His most commonly seen attire is a dark kimono, accompanied with a yellow obi tied around his waist, and zori, a pair of Japanese sandals.
Kalluto has a shoulder-length black hair that is cut in bobcut style in the 2011 anime, and pink eyes. He has a mole on the left side of his mouth. His most commonly seen attire is a dark furisode kimono, accompanied with a yellow obi tied around his waist, and zori, a pair of Japanese sandals. When he was younger, he wore a sweater and pants like the rest of his siblings.
Hunter X Hunter (Anime)
- Maha Zoldyck (Great-Great-Grandfather)
- Great-Grandmother (status unknown)
- Zeno Zoldyck (Grandfather)
- Grandmother (status unknown)
- Kikyo Zoldyck (Mother)
- Silva Zoldyck (Father)
- Illumi Zoldyck (Older brother)
- Milluki Zoldyck (Older brother)
- Killua Zoldyck (Older brother)
- Alluka Zoldyck (Older sibling)
- Japanese : Yuko Maekawa (1999 series), Mamiko Noto (2011 series)
- English : Angie Beers (1999 series), Lauren Landa (2011 series)