Tatsuki Aobe

is a guest character who appeared in Ultraman Blazar. He is Emi Aobe's father.
==History==
===Pre-Ultraman Blazar===
In the past, Tatsuki was a close friend of Retsu Haruno. He first met Tsutomu Nishizaki during college and, after graduating, became the Chief Researcher at the GGFJ Advanced Technology Research Department.
As per Emi's memories, Tatsuki took care of her from a young age, providing her with elite education and skills exposure. However, due to his intense dedication to science, Tatsuki seemed distant, especially towards his daughter. He even skipped Emi's birthday party to attend a memorial day for the scholar Yasunosuke Ishido, whom he admired. A baby picture of Emi is kept in a pendant he carries with him. However, the birthdate engraved on the necklace is Ishido's birthday, which leads Emi to believe that her position in her father's heart is not as significant as that of other scholars.
In 2020, he and Nishizaki went to the 66th experimental facility at the GGFJ Space System Research Center in Gifu Prefecture for experimental research. They were responsible for repairing the wreckage of a large device brought from the United States, which was the remnants of the V99 scout vessels secretly shot down by GGFJ in 1999. In the notes left by Tatsuki, characteristics of the probe ship were mentioned. Apart from not finding any weapons, he also noted that the appearance of V99 was most similar to a cicada compared to Earth organisms. Additionally, protruding scissor-shaped letters were discovered in their language.
Tatsuki and the team subsequently began researching the technology left by the V99 wreckage. One particularly significant discovery was that this civilization possessed the technology to create "wormholes." They initiated the reconstruction and testing experiments of a wormhole generator in Test Facility 66.
On September 8th, Tatsuki documented his expectations for the upcoming wormhole experiment in his diary. He prayed that this experiment would reveal the true purpose of V99, He mentioned that his team was repairing the device and emphasized that "they" possessed technology far beyond that of humans. If "they" were to return to Earth, he hoped to communicate with them to gain a deeper understanding of "their" culture and other matters. He entrusted the expectations of tomorrow's experiment to be a significant step in human progress. Later, he stored the diary in a bank safe deposit box, entrusting the pendant's safekeeping to Nishizaki.
However, on the day of the experiment, when the device was activated to initiate the wormhole experiment, the wormhole suddenly lost control and engulfed nearby scientists. Tatsuki went missing as a result of this accident, and ultimately, GGF categorized his whereabouts as "missing."
===Ultraman Blazar===
Three years later, during Emi's investigation into V99, she came across a missing persons report related to the Test Facility 66 explosion incident, which included Tatsuki's name. This prompted her to delve deeper into the investigation, simultaneously fueling her suspicion that GGF intentionally concealed her father's whereabouts.
With Nishizaki's assistance, Emi obtained the pendant left by her father and returned to Test Facility 66 to uncover the truth. When she shockingly discovered a giant dragon-like kaiju, Firdran, emerging from the wormhole in the experimental facility, Tatsuki suddenly appeared before her. Together, they assisted in opening the facility's roof, allowing Firdran to fly out and assist Ultraman Blazar in defeating Brood Gebalga.
After the battle concluded, Tatsuki said his final words to Emi: "Emi, happy birthday." As Emi prepared to embrace him, Tatsuki suddenly disappeared. However, a key fell from the back of the pendant's photo, confirming the seemingly incorrect birthday and revealing it as a puzzle left by Tatsuki. He entrusted everything, including the truth, to his daughter.
Later, Emi and Gento took the key to the bank to access Tatsuki's safe deposit box. They discovered her father's diary inside; however, suddenly, Yu Dobashi appeared and took Tatsuki's diary away.
Although Dobashi read Tatsuki's diary, upon learning about the Vararon's impending attack on Earth, he became angry realizing the unfavorable situation and immediately threw the diary into the bonfire. The diary was later retrieved by Dobashi's subordinates responsible for monitoring him and delivered to Haruno.
After reading the diary, Haruno learned that V99 did not have intentions to invade Earth. He officially returned the diary to Emi, and the information recorded in Tatsuki's diary was eventually revealed to the GGFJ higher-ups. It became a crucial item in preventing the approaching V99 fleet from leaving Earth.
==Gallery==
===Ultraman Blazar===
Tatsuki Aobe 001.png
Tatsuki Aobe 002.png
Tatsuki Aobe 003.png
Tatsuki Aobe 004.png
Tatsuki Aobe 005.png
Tatsuki Aobe 006.png
Tatsuki Aobe 007.png
Tatsuki Aobe 008.png|Disappearance of Tatsuki's soul
Tatsuki Aobe 009.png
===Miscellaneous===
Tatsuki pendant.png|Tatsuki's pendant
Tatsuki pendant 2.png
Tatsuki's diary.png|Tatsuki's diary
Tatsuki's diary 1.png
Tatsuki's diary 2.png
V99 20.png|Records of discoveries about V99 technology in the diary.
==Trivia==
*Regarding the mystery left by Tatsuki's pendant, if the day before Emi's birthday as the back of the pendant, and Ishido's birthday is written on the necklace, in other words, Emi's birthday is the day before Ishido's birthday. This means that the back of the pendant serves as a clue to the location of the key.
==References==
Category:Ultraman Blazar
Category:Ultraman Blazar Characters
Category:Allies
Category:Human Characters
Category:Male Characters
Category:Deceased Characters