Say, i've been thinking.
Are the Zonai related to the Gerudo? Maybe the Gerudo are the descendants of them?
Reason, the scene in the trailer where the character puts their hand on Zelda's shoulder, you can see some medallion, and imo that medallion looks a bit similar to the Gerudo symbol:
Finally, a worthy successor for Digger T. Rock
Imo it looks more like Wind Waker Gohma:
Gohma is a boss that is encountered in the Dragon Roost Cavern, the first dungeon in The Wind Waker. Like its predecessors, it appears as a one-eyed arthropod. This Gohma is the largest version seen in any game before The Wind Waker, and is still larger than any of its successors.
www.zeldadungeon.net
or they went insane and brought Majora's Masks Twinmold back and we only saw one of them:
Twinmold is the Boss of Stone Tower Temple in Majora's Mask.[1][2] The colossal monster is responsible for all of the curses placed on Ikana Canyon,[3] and is keeping the last of the Four Giants captive. Twinmold's body is protected by an exoskeleton that leaves only its head and tail...
zelda.fandom.com
Well, i do. But i'm also living in Germany, so i'm not sure if that helps.