Underfell

Underfell is an Alternate Universe of the main timeline, changing every character's personalities and fighting style.

Changes

 * Blackjack is submissive, wears a collar and is TinySatan's pet.
 * TinySatan is much more dominant over her husband
 * EC is much more cruel and lustful, she carries a knife at all times and is almost always aggravated
 * GEC is very weak and paranoid, unable to fend for herself, evident by the many scars adorning her body
 * Jasan is much more evil and aggressive towards others
 * Skull is much more of an asshole toward his family, save for his wife
 * Erica is an asshole and a bitch, especially toward her son and friends
 * Zach takes after his father, being much more easily aggravated, especially toward his mother
 * Ace and Georgia are actually much nicer towards each other and others, one of the few in Underfell
 * Grace is much more easily aggravated and mean towards her siblings
 * Future Jay is very aggressive and evil against others but is much more mild-mannered around family