Questions in UNDERTALE

Share your creations!
Where did the sans’ eye being on fire thing come from
Why
Suggest me an undertale fangame
Where did gaster came from? Who created ink? What chara was at the first? || Ignore this thing --> HP WASTE HP WASTE HP WASTE HP WASTE HP WASTE HP WASTE HP WASTE HP WASTE HP WASTE HP WASTE HP WASTE HP WASTE HP WASTE HP WASTE HP WASTE HP WASTE HP WASTE
