IWhen u sign in and make a character from character creator it will disappear after u join/make a world like i made a character and joined my world it was steve after that idk why but my own character from my gallery was fine when i used it but my edited character was steve all the time in the inventory/little doll and... i hope it get fixed it was fine in 1.16 but it's a new thing in 1.17.2