Kid Buu is 4’10 or 146 cm or 1.46 cm in height
Kid Buu is the original, pure form of Majin Buu. Unlike his other forms, this form of Buu’s thought process is seen to be irrational and spontaneous, even destroying his own body to destroy the Earth. Although he appears smaller than any other form, he is more dangerous than any other forms of Buu due to his full relentless evil and unpredictability. He is also completely free of restraint and has no trace of sanity and, because of this, is extremely volatile. He retains his childish personality, becoming amused and laughing hysterically at his own destruction of entire worlds. He is the main antagonist for the Kid Buu Saga as well as the final antagonist of the Majin Buu Saga.
Kid Buu’s Personality
Kid Buu’s personality is very similar to that of a very young spoiled, selfish child, in that he retains no form of compassion or remorse for any of his actions. Furthermore, due to his selfish and capricious personality and mind-set, he is incapable of developing empathy and comprehending the nature of his actions. It can also be said that Kid Buu is very similar to that of a low-functioning sociopath. Kid Buu is also, like a child, very unpredictable in his behavior and actions, sometimes randomly falling asleep during battle, or acting like a monkey by banging his chest with his fists.
Buu’s only reason for existence was to cause absolute destruction. He enjoyed the destruction he brought to the universe, reveling in the devastation he wreaks. He appears to enjoy testing the limits of his own power as well, seeking out Vegeta and Goku just to see how far they could push him. He is also utterly merciless, annihilating entire planets simply because Vegeta and Goku were not there. On the rare occasion he ever showed any restraint of his power, it was either to make his “game” of destruction last longer instead of producing an instant kill or otherwise because he sensed even stronger targets to fight. He is not a sadistic killer seeking to bring pain to his victims, as he seemingly does not care, or even know about pain, nor does he seek to conquer and rule over anything. He merely seeks to have fun the only way he knows how; creating havoc and destruction in the whole universe, similar to the fat version of Buu before Mr. Satan told him to stop killing.
Though he is highly irrational and insane, Kid Buu does seem to have some reasoning abilities and intelligence, as he quickly realized that Goku refused to hit him with the Super Spirit Bomb as long as Vegeta was in the way and took advantage of it by pinning the latter to the ground. Though caring little for Bibidi, Kid Buu at the very least seemed to tolerate his presence presumably due to Bibidi summoning him and encouraging the destruction he caused as well as leading him to powerful opponents to test his power against such as the Supreme Kais, thus showing that Kid Buu can tolerate weaker beings if they prove useful to him, even though he has no real loyalty to Bibidi. In some video games, he is shown to get along with Janemba to the point they could be considered friends or at the very least allies as they both enjoy destruction and have similar personalities, even being able to fuse into their EX-Fusion Janembu. However, in Super Dragon Ball Heroes Demon God Buu is shown to have no problem with absorbing Xeno Janemba, though it is possible that his personality is influenced by his absorption of Demon God Dabura.
From all the forms of Buu, Kid Buu appears to be the least capable of speech, which Vegeta even commented on by sarcastically calling Kid Buu a “gifted speaker”. After absorbing Demon God Dabura, he becomes capable of normal speech. In the manga, his only phrase is “You’ve had it!” during the battle against Goku and Vegeta, his other words being mostly gibberish. In the Funimation dub of the anime, Kid Buu’s speech capacity is somewhat increased, as he says things such as “Buu squash you like bugs!”, “Dum Dums!”, “Me Buu, kill you!” and “Me Buu, not you!”
Majin Buu is said to be a creation of Bibidi by some sources. However it has been stated by Akira Toriyama that in truth Buu has actually existed since Time Immemorial. He cycled between rampages and long hibernation. During numerous iterations of this cycle, he absorbed the evil elements of mankind, becoming steadily more violent. The evil wizard Bibidi merely knew the means of calling Buu from out of his long slumber.
Long before the core events of Dragon Ball takes place, Majin Buu was summoned by Bibidi. This monster was a virtually invincible force of destruction, and, because of his absolutely wild and ruthless nature, he could not be controlled, even by Bibidi himself. An example of this is when Kid Buu blew up Planet Alpha and its inhabitants, and almost hit Bibidi in the process, causing Bibidi to tell Kid Buu off and only meekly telling him he is his “father” when Kid Buu intimidated him by glaring at him. Eventually, Buu and Bibidi made their way to the Sacred World of the Kai, where the rulers of the universe and Bibidi’s sworn enemies, the Supreme Kais, lived peacefully. Majin Buu proceeded to kill both West Supreme Kai and North Supreme Kai before encountering South Supreme Kai, the strongest of the Kais. Although the Kai managed to fight more evenly with Buu than his cohorts had and landed a few hits on the monster, Buu managed to absorb Southern Supreme Kai during their fight, which transformed him into a bulkier version of himself.
Majin Buu then made an attempt on the life of Shin, but he was saved by Grand Supreme Kai, who inflicted immense damage on Buu, but was unable to kill him due to Buu’s regeneration. Buu then absorbed him, resulting in the childlike fat Majin Buu. Due to the innocence of the Grand Supreme Kai’s soul, this Buu was much less evil and wild than the original Buu. As Buu became calmer and easier to control, seeing his opportunity, Bibidi finally managed to seal Majin Buu inside of a Sealed Ball without much resistance from the latter. Bibidi was then killed by Shin a short time later, which meant the madness of Majin Buu was believed to have ended for good.
However, the fat Majin Buu was again resurrected 5 million years later on Earth by Bibidi’s doppelganger, Babidi. After a long chain of events (which includes the fat Majin Buu murdering Babidi, the fight between Good Buu and Evil Buu, the birth of Super Buu, and everyone that Super Buu had absorbed (Gotenks, Piccolo, Gohan, and the fat Buu) being removed by Goku and Vegeta (when they were voluntarily absorbed when they were Vegito), the original pure evil form of Majin Buu finally resurfaced.
Due to the destruction caused by both Kid Buu, Majin Buu developed a fearsome reputation in Universe 7, enough that King Cold warned Frieza to never oppose Majin Buu.
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