Tyrann/Appearance

Koichi is a slim young man with a rather plain appearance, possessing smooth, short brown hair and large, round brown eyes.

In his early days as a vigilante, before he met Knuckleduster, his vigilante costume consisted of his normal clothes in conjunction with one of his many All Might-haired hooded jackets. He also wore a medical mask to cover his face and protected his hands with regular gloves. Subsequently, on the advice of Knuckleduster, he renewed his appearance. He continues wearing an All Might hoodie, as he thinks that wearing an All Might hoodie makes him more effective as a vigilante, but now over motorcycle protective gear along with gloves and boots. He rarely uses a black mask to cover his mouth and a pair of tinted shades to hide his eyes.

Since the distinctive elements of his vigilante costume are the various official All Might hoodies he has, Koichi's appearance sometimes varies between missions, as each hoodie has different colors and occasionally with special edition logos on the back. His most recent one was a black hoodie, before it was eventually destroyed.

After his battle against Number 6, he now possesses a scar on his left cheek, which he received from the villain shortly before his death. As "The Skycrawler", his hero costume is a blue full body suit, akin to his traditional All Might hoodies and Number 6's "O'Clock II" costume, an updated version of his original gloves, and silver armored shoulder pads, also bearing a resemblance to Number 6's costume. He also wears a purple visor that resembles Captain Celebrity's, and has a utility belt over his waist with an "SC" on it.

## Personality

Koichi has an easy-going, mild-mannered personality. He is very generous and does not seem to expect anything from other people in return. He is somewhat unaware of social clues, accidentally gaining a reputation of being a "creepy guy", both among his peers at university, and as The Crawler. He also often accidentally insults people when trying to compliment them; he can be very awkward.

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As long as he is in some form of disguise or in a more or less deserted area, he sees no problem in using his Quirk in public even though he is not a Pro Hero. He uses his Quirk to do good deeds for the public, such as picking up trash, returning lost items, giving directions, helping people get onto trains, being a cameraman, and recycling. He has a very heroic nature and cannot ignore people that need help.

He tends to be a rather calm person, sometimes accidentally making light of dangerous situations after they have passed. He is reasonable and is willing to have a dialogue with thugs and petty criminals, as seen with his interactions with the Three Sturm und Drang Brothers. At the same time, he is quick to help when there is a real need for his abilities against Villains, showing that he can be attentive as well as calm.

He dreams of being able to become a recognized hero and is shown to enjoy the vigilante work that he does. He is very willing to do the less glamorous jobs, such as cleaning up trash, and does not seem to think that these are negative aspects of being a hero or vigilante. He refuses to give up doing it just because it seems uncool because he claims that "that's not the sort of person I am", showing that he does not seem to want to be a Hero for fame or money, but out of a genuine desire to help society and other people.

Despite his dreams of becoming a hero, Koichi doesn't see it as the "be all end all" of his life. After his initial failed attempt at joining a hero course, he resigned himself to ever becoming a Pro, and was content with simply doing his vigilante work on the side, even planning to retire once he finishes university and gets a full-time job. Even when Kazuho suggests getting his Hero License, he shuts down the idea, believing it to be too much work, once again demonstrating his belief that he doesn't need to be a registered Pro in order to do things to help others.

Koichi's bravery and heroism extend to outright selflessness, especially in regards to how he treats his opponents. He will always try to talk things out before getting into a fight, and even then will only ever fight in self-defence. He also does not tend to hold grudges, treating people who have attacked him in the past like Soga Kugisaki or the Next-Level Villains with kindness, as well as protecting them from harm. Even despite Number 6's attempts and intention to kill him, each time they had a personal interaction, Koichi voiced his concern towards the villain and offered his assistance to help, which greatly confused him, believing it to all be just a "nice guy" act.

His sense of kindness is also extended to his fighting capabilities, as he is internally able to control the power of his repulsion blasts on living beings, not wanting to kill anyone, no matter the danger it puts himself in by not attempting to do so.