Tepig family wallpaper is done by: りずむ.
Wow, what a serious dilemma ….
Character bios and info on the Arcadia have been revealed.
The new characters shown so far are Logan (the movie’s Daiba counterpart), Ezra and Nami(Ezra’s wife).
Logan and Ezra are brothers.
You can read more in this site (but you have to do some scrolling).
Here’s the link to the site in French (the site’s original language):