Will Frisk Come Back in Glitchtale?

Frisk is a male in Glitchtale, confirmed by Camila Cuevas

as Frisk is "the player". ... In My Promise, Frisk was erased from existence to resurrect Chara, who 'replaced' Frisk as the protagonist of Glitchtale and took his place in everyone's memories.

Does Frisk become Chara?

As far as Frisk themselves are concerned, they are the same person. They only start being called Frisk at the end of the journey after completing the pacifist run. This is when Frisk completely seperates themselves from Chara and become their own character.

What gender is Chara in Glitchtale?

Despite being referred to by "they/them" pronouns, both Chara and Frisk are male in Glitchtale. It is unknown why both of them are referred to by that.