Malcolm- fan favorite and great alpha male player
Troyzan- really the only recent older male that fits the Hero name since he had a bad downfall and had attempts to stop Kim ruined
Spencer- pretty obvious hero edit and has a lot of positive passion for the game
Vytas- same as Spencer and has a personal hero story
Hayden- countless attempts to overthrow Tyson failing kind of made him a martyr
Tasha- dominant in all 3 categories of survivor while being likable
Brenda- she might've been villainous in Nicaragua but she had a much bigger Hero moment at the end of Caramoan
Kim- one of the more dominant winners in survivor history and a popular recent winner
Holly- overcame so many personal demons in Nicaragua and was such a big jury threat that she got voted out over 2 big dudes which is rare at the end of the game
Andrea- I feel like she's someone popular enough to come back again and fills the hot girl role plus her survivor legacy seems unfinished
Villains:
Tony- basically this era's Russell Hantz. Great tv player.
Phillip- you know survivor is going to want him back for his character.
Pete- I feel like he could be a semi-BR player with a returnee appearance.
Stephen- I feel like this could happen. He got killed for wanting to make a move against JT and did a lot of dirty work in his season.
Reynold- he was an asshole and this tribe is going to need physical players.
Cierra- she was cold in her season. Played emotionless and very easily willing to backstab.
Abi- one of the craziest girls that made it deep recently.
Kass- has shown she's good at reading people and was behind 2 moves that dramatically changed the game plus others think she's a bitch.
Sarah- I could see her returning due to having gameplay and thinking highly of herself while insulting others.
RC- same reasons as Sarah really.