survivors!!1!: Pibby, the one who had to deal with IT...
Alloy boy, the one helping Pibby find a cure
Melira, another one helping her find a cure
X from BFDI
etc

corrupted!!1! 😃: Bloo from that one cartoon
Wilt, also from the cartoon as Bloo
Four, from BFDI
etc

note: infected have enhanced intelligence and they can manipulate their bodies to twist to make them more dangerous, and they just... CANNOT die nor feel pain no matter the weapon they will come back un-hurt 😭🙏

that's all!!