Board Thread:General Discussion/@comment-30088034-20170211001105/@comment-28517148-20170711062706

Asriel in his epilogue dialogue describes Chara as bad and even evil person, and this pertains to events long before Frisk showed up in Underground. In genocide ending dialogue Chara describes themselves as demon who wants to erase this pointless world and wants your SOUL. Thus, thay are evil.