The creation of manga can be attributed to people's desire for new forms of entertainment. It gave artists the freedom to explore different themes and narratives. Also, it became popular as a form of escapism, transporting readers to different worlds and experiences.
The creation of the Naruto manga dates back to 1999. Since then, it has captured the hearts of millions of readers with its engaging storyline and memorable characters.
Manga is usually created by a manga artist who comes up with a story idea, does the character designs, and then draws each panel by hand or digitally. They also handle the inking and coloring if needed.
I don't have the exact name of the person who created the Omori manga at hand. It could be worth doing a search on manga databases or asking fellow manga enthusiasts for the answer.
The first manga is believed to have originated in the late 19th century. But pinpointing an exact date is quite challenging as the concept evolved gradually over time.