Yu-Gi-Oh! Character Headcanons

Seto Kaiba

How does one begin to describe Seto Kaiba?
He sees what he would have been if he had not gotten adopted by Gozaburu in Joey/Jonouchi and projects his fears onto him a lot
Eventually he begins to see that he can help Jou instead of hurting him and one day Jou receives an anonymous check in the mail that will cover all of his sister's medical bills
Of course he knows who sent it and tries to give it back but Seto insists, saying that he got help at his lowest point and this is just him passing it on
He still has a friendly rivalry with Yugi despite really wanting to duel the Pharaoh
He is still the foremost developer of Duel Monsters technology and cards, beating out Pegasus's sales by 350%
(He won't let Pegasus live it down either)
He insisted that Mokuba attend a local college and paid for the whole thing, making sure Mokuba would have a good education
Before he started his Duel Academia project, he had a virtual world where duelists from all around the globe could meet up planned but he scrapped it in favor of the school
Yes, he is petty enough to make Slifer/Osiris the bottom dorm on purpose
He offers the top student of each year's class an internship at KaibaCorp
He visited once, during the graduation match of Ryo's year, and realized he may have been wrong about the Slifer dorm
He took his hands out of the school at that point and just let the staff run it themselves, except for the money
All of his coats still do the wind billowing thing, even if there is no wind around, because he built little fans into the back of his pants
"What's that noise Kaiba?"
"None of your business, Yugi."
"It sounds like my room fan."
"I said, none of your business."
Yugi still beats him every time they play and he's frustrated about it but kind of accepts it at this point
He found out that Jou beat Yugi
There was a lot of swearing involved