List of the headmates, roughly in the order they fronted/formed:
back
- Loki (MCU version, asleep)
- Fell Sans (dormant)
- Razor (protector/caretaker. dormant)
- Nameless (Nightmare Sans)
- Ink Sans (dormant)
- Metta (UL Mettaton, ace, protector. asleep?)
- Itto (most emotionally stable GI alter. asleep)
- Diluc (main fronter)
- Paimon (emotion gatekeeper, "little." sleeping?)
- Scara (former co-host, bpd.)
- Killer Sans (persecutor, dormant)
- Zhongli (dormant, or very very sleepy)
- Venti (main fronter)
- Eva (Rukkhadevata, caretaker)
- Aether (caretaker)
- Xiao (dormant)
- Alhaitham (dormant)
- Aranara (fragment)
- Cyno (dormant)
- Swap!Papyrus (fragment)
- Thoma (fragment)
- Dottore (main fronter, "doctor")
- Pierro (gatekeeper, protector)
- Beidou (fragment)
- Childe (dormant)
- Pantalone (dormant)
- Columbina (semi-verbal. dormant)
- Tighnari (doctor, sleepy?)
- Capitano (protector, dormant)
- Edge (fragment, religious trauma. dormant)
- Albedo (main fronter)
- Baizhu (doctor)
- Dainsleif (semi-verbal)
- Kaveh (soother)
- Arlecchino (main fronter)
- Cat Blanc (trauma holder, dormant)
- Neuvillette (dormant)
- Dan Heng (HSR, sleeping?)
- Blade (agoraphobia. dormant)
- Sampo (dormant)
- Saiki (Saiki K, dormant)
- Lyney (memories of Penacony. dormant)
- Deshret (dormant)
- Ratio (chore doer. dormant)
- Aventurine (dormant)
- Kaeya (dormant)
- Pure Vanilla (former co-host. dormant)
- Shadow Milk (bpd, dormant)
- Smoked Cheese (dormant)
- Alastor (dormant)
- Blitzø (HB, breakup handler. dormant)
- Gingerbrave (soother, dormant)
- Hollyberry (caretaker, soother. dormant)
- Cat Noir (soother, dormant)
- Burning Spice (formed from going insane from boredom, actually kind)
- Philza (former co-host, main fronter)
- cc!Tommy (dormant)
- Schlatt (dormant)
- Techno (current fronter)
- Sneeg (osmp)
- Ranboo (nausea holder)
- Phainon (dormant)
- Mydei (dormant)
- Evernight
- Durin
- c!Tommy
- c!Dream