Toshiro Hitsugaya

Hitsugaya comes from the province of Junrinan in the 1st District of West Rukongai.There, he lived with his grandmother and Momo Hinamori. As a young child, Hitsugaya was a bit of a brat who liked to eat watermelons and poke fun at his sister Hinamori. His grandmother, "Granny," and Hinamori were the only ones in the district that weren't afraid of him. His personality was supposedly "cold as ice" or at least thought to be, and he often wondered if it was due to his appearance or attitude. He later meets Rangiku who convinces him to become a Soul Reaper, afraid that if he can't control his powers he'll kill his grandmother. With Hitsugaya's natural talent, he quickly entered the Shinigami Academy and graduated early despite his age. After quickly climbing through the ranks over time, he takes the position of Captain of the 10th Division after the previous one ran away.

Bankai (Incomplete): Daiguren Hyōrinmaru (大紅蓮氷輪丸, Mahāpadma Ice Ring; Viz "Grand Crimson Lotus Ice Ring"): Hitsugaya's Bankai causes ice to flow from Hyōrinmaru onto Hitsugaya, starting at his right arm, which ice forms onto in the shape of a dragon's head around his sword hand, encasing the sword up to the hilt, which also changes from the shape of a four-pointed star to that of an eight-pointed star. The ice continues forming up over his shoulders, with two large wings sprouting from his back and a long tail. The ice forms down his left arm and encases his hand, which ends in a claw. Hitsugaya's feet are encased in ice in a similar manner to his left hand, as they also end in claws.[159] These new ice limbs are movable, and can be used as an extension of himself to aid in battle. During some appearances of his Bankai, three flowers of ice form floating behind him, each consisting of four purple petals shaped like diamonds.[160] These flowers melt away, petal by petal, as Hitsugaya's battle progresses, leading Shawlong Koufang to speculate that Hitsugaya's Bankai will deactivate when all twelve petals disappear, assuming that the captain's Bankai was incomplete due to his young age. During his fight with Luppi, these petals were noticeably absent. However, during his fight in the Fake Karakura Town, they were present once more.

Shikai: Hyōrinmaru's release call is "Sit Upon the Frozen Heavens" (霜天に坐せ, sōten ni zase; Viz "Reign over the Frosted Heavens"). In its Shikai, Hyōrinmaru extends slightly in length and gains a crescent-shaped blade attached to its hilt by a long metal chain, which can extend greatly, if necessary, by force of Hitsugaya's will. The chain itself can be used for attack, or to entangle a target.

Shikai Special Ability: Hyōrinmaru's power is to control water and ice, specifically turn the former into the latter, at so high a level that it exerts influence on the weather itself, with Hyōrinmaru being considered the strongest ice-type Zanpakutō (氷雪系最強の斬魄刀, hyōsetsu-kei saikyō no Zanpakutō) in Soul Society.[145] Hitsugaya does not need water to be present in order to use his ice abilities, though they are at their greatest if the battlefield is filled up with moisture, for all water comes under Hitsugaya's control thanks to Hyōrinmaru's power;[146] Hitsugaya can even use some of his Bankai techniques while in Shikai, though it can backfire on him as well.[147][148] The difference in ability between Hyōrinmaru's Shikai and Bankai is the smallest of any Zanpakutō wielded by a Gotei captain; the true difference lies in the quantity of ice each form can create, with the Shikai only being able to create comparatively small volumes of ice.

Tensō Jūrin (天相従臨, Subjugation of the Heavens; Viz "Weather Subjugation"): One of Hyōrinmaru's basic powers, as well as its strongest. It allows him to control the weather in the immediate vicinity, or more specifically, the water in the surrounding atmosphere. The ability is usable in both Shikai and Bankai. However, Hitsugaya states that this aspect of his powers is not fully mature, and that he does not like to use it in Bankai mode, as he is unsure of whether or not he could keep it from killing everyone in the vicinity.

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Hitsugaya is short, with turquoise eyes and short, spiked, white hair, which tends to draw attention in the Human World. He wears a standard sleeveless captain's haori with a green sash around his shoulders, held together by a round, star-like clip. The sash holds his Zanpakutō's sheath in place on his back and is tied to it at either end. He sometimes walks around in his tabi. He is relatively young by Shinigami standards, and has the appearance of a youthful being.

However, he does have an adult form. He holds a temporary, mature adult form during the Quincy Blood War arc when his Bankai fully matures. He generally dislikes this adult form.

Hitsugaya is generally mature and serious, in contrast to his free-spirited lieutenant, Rangiku Matsumoto. Despite their personality differences, he and Rangiku seem very close as she is willing to follow Hitsugaya's orders through-and-through for important assignments out on the field. Hitsugaya is also easily annoyed by others goofing off or drawing unneeded attention to themselves, such as when he leads a team of Shinigami into Ichigo Kurosaki's school.[2] He mainly dislikes anything that he deems childish as well as being described as something close to a child, such as being deemed as akin to an elementary school child; other things he's not fond of are summer and warm weather in general.

Hitsugaya's favorite foods are watermelon and amanattō, though he does not like dried persimmons. During his childhood in West Rukongai, he was so skilled with spinning tops that he became the local undefeated champion. He often works very hard, but his motive seems to be that if he finishes quickly, he can return to his afternoon nap as he believes in the saying "children who sleep well, grow well". With this in mind, he hopes to grow quickly (and the saying is also a wish shared by his subordinates). Naturally however, they do not voice this fact in front of him, for even regularly practicing this adage for so long, he did not really grow in height.

Hitsugaya is usually joked about by many of the other Shinigami in Soul Society as well as by his enemies, though he tolerates these jokes and goes on with his duties (having often developed a cold attitude toward most people). Although he becomes angry towards such jokes at times, he doesn't take action against whomever insulted him unless they are his enemies.

The only thing he cannot tolerate is not being addressed as "Captain Hitsugaya," or an inappropriate use of his name, as he worked very hard for the title. However (likely as a sign of lingering immaturity), he does not return favor via not addressing any other captain