Asgore - ???
Toriel - ???
Asriel - 10
Chara - 11
Gaster - ???
Sans - 13
Papyrus - 9
Young Undyne - 12
Young Alphys - 13
YOU ARE READING
Past Undertale Reacts
FanfictionThis can be considered an Au since Papyrus and Sans have little to nothing on their past so I will be adding some stuff I don't thinks it's possible to make a canon past undertale since you don't know how old characters are compared to some and if t...
Who's Reacting!
Asgore - ???
Toriel - ???
Asriel - 10
Chara - 11
Gaster - ???
Sans - 13
Papyrus - 9
Young Undyne - 12
Young Alphys - 13
