How old is Frisk ? Undertale theory

Undertale theory- who or what is frisk?

An Undertale Fan Theory (POPREEL WHAT HOW)

Underlore

I once made a theory post about the player being canon. I wouldn't call it badly made, but there was a lot of evidence I forgot to add and some counter-evidence I

Core!Frisk, Undertale AU Characters Wiki

Theory: What is Frisk' Age?

THEORY'S!!!!

The Real Reason Why Frisk Fell Underground, Undertale Theory

I'll call this AU: The Wrong Undertale) Frisk (or Donnie, as he likes to be called) is still looking for TESTSUBJECT!Sans, who has mysteriously disappeared. Or he's just hiding. : r/Undertale

Undertale Frisk lore, gender, age, and real name

Frisk's Age Progression by tmntsam on DeviantArt

How old is Frisk ? Undertale theory

Underlore

nothing useful. — frisk's personality and actions