Sure, Orochi made an appearance. The character added some interesting twists and turns to the story.
No, Orochi wasn't part of the original web comic.
Yes, Shalltear is indeed in the web novel.
It depends. Some web comics might feature Nyan, while others might not.
It's possible. Marvel often makes appearances at major comic conventions, but it depends on their schedule and plans for that specific event.
Whether Charlie is in the Lucifer comic varies. You'd need to go through specific volumes or issues to determine if they make an appearance. Maybe they show up in certain story arcs but not throughout the entire comic series.
Yes, Jadis is present in the comic book.
Yes, Marvel was present at Comic Con 2022 with some exciting announcements and showcases.
It depends. Some Comic Cons attract a lot of actors, while others might have fewer or none. It often depends on the popularity and schedule of the event.
Pokemon can be at Comic Con. Usually, if there's a new game or movie coming out, they'll have a booth or special events related to it.
There's no definite answer yet. Marvel's decision to attend Comic Con 2022 could be influenced by a number of things, such as the availability of their talent and the promotion plans for upcoming releases.