Yoriichi Tsugikuni, the first
There were other Sun Breathers besides Yoriichi. They just weren't as skilled with it, so they used their more suitable breathing styles instead (Flame, Water, etc).
Tanjiro Kamado is the only (known) living user of the Hinokami Kagura, but unlike the Water-Breathing he was taught by former Hashira Sakonji Urokodaki, Tanjiro learned Sun-Breathing from his and Nezuko's late father, Tanjuro Kamado.
Yoriichi was both the creator of Sun Breathing and a legendary swordsman from the Sengoku period. As a Demon Slayer, he is renowned as the strongest in the organization's history, pairing his breathing technique with his Demon Slayer Mark and ability to see the Transparent World.
many people don't realize but kibatuji muzon was actually the one who created his greatest enemy the original sunbreath user in the series there's a big Focus placed on Karma the afterlife.
"Breath of the Sun: Thirteenth Style") is the thirteenth form the Sun Breathing and the pinnacle of all Breathing techniques in history. This technique was created by Yoriichi Tsugikuni himself in order defeat Muzan Kibutsuji.
The Thirteenth Form of the Sun Breathing Style is unique in the sense that it doesn't really have a name of its own. Rather, it's a combination of all the twelve forms present in this style, used in succession to maximize their power. This move was devised by Tanjiro solely to defeat Muzan.
But if we are talking about the human form, then it's a big fat NO, because Tanjiro has just mastered the Sun Breathing whereas Yoriichi is the inventor of it, also he's way more powerful and holds an unfathomable battle intellect, larger than any Demon Slayer in history, so in conclusion, no one is remotely close to ...
Moon Breathing is the demonic form of the primal Sun Breathing in Demon Slayer anime and manga. Developed by Kokushibo, aka Michikatsu Tsugikuni, this is the second most powerful breathing technique in the series that no human can use. Moreover, it also has more forms than any other type of breathing.
Tanjiro's connection to Yoriichi is not through blood relation, but through their similar appearances, which is due to the divine nature of Sun Breathing. (Also Read: Did Demon Slayer hire a Bollywood director for Season 3? Fans speculate!)
Is upper rank one Tanjiro's father? No, they are not related. Tanjiro, by PURE COINCIDENCE, heavily resembles Yoriichi Tsugikuni, the creator of Breath swordsmanship, the only other person to use Sun Breathing, and the only person Muzan ever feared.
The warrior Muzan feared was a swordsman named Yoriichi Tsugikuni. Yoriichi was the only slayer before Tanjiro who came close to killing Muzan, and the flashback of their fight occurred in Chapter 187.
Yoriichi lived till old age, likely due to him having been born with the mark and thereby avoiding the curse altogether. Gyomei on the other hand did not activate his Mark until he was already older than 25. It was speculated that when he awoke his Mark during battle that he would likely die within hours.
8 Tanjiro Is The Only Living User
On the other hand, Sun Breathing can, presently, only be performed by Tanjiro Kamado. Though its techniques can be taught to others provided they have the guidance of a Kamado, there are no other known users who are currently alive.
Sensing their despair, Doma offered a chance to him and turned both Gyutaro and Daki into demons.
In Demon Slayer, Thunder Breathing is one of the many techniques that are used to fight demons. Originally a 6-form technique, Zenitsu created the 7th Form of Thunder Breathing all on his own.
What yogis refer to as Moon Breath or Chandra Bhedana involves breathing in through your left nostril only. The left side of your body is thought to be associated with the nervous system, and so Chandra Bhedana has been traditionally used to calm it down and promote sleep.
As the battle reached its climax, Tanjiro was able to knock the doll's head off and discovered that the mechanical body contained a mysterious sword. Fans of the manga will recognize this sword as the one carried by Yoriichi Tsugikuni himself.
What is the Yoriichi Type Zero mechanical doll and who built it? During episode three we learned that the Yoriichi Type Zero was built by Kontetsu's ancestors more than 300 years ago, during the Sengoku era.
Rimuru Tempest becomes a God towards the end of the series and can travel back in time and travel between worlds. His space-time abilities alone would be enough to beat Yoriichi.
Seventh Form: Flaming Thunder God) - The personal creation of Zenitsu Agatsuma. The user dashes forward at blinding speeds and unleashes a singular forward slash at a low stance, which is seemingly accompanied by a yellow Japanese dragon shaped like a lightning bolt.
This anime repeatedly shows viewers the clear difference in the strengths of demons and humans, and that teamwork is the only way to overcome a task that seems insurmountable. In conclusion, Tanjiro will not be able to kill Muzan by himself since the Demon King is far superior in every aspect of combat.