Sans Undertale

Sans Undertale is a reoccuring character in multiple Big Chungus games. He is known for being one of the main characters in the upcoming game Big Chungus 12: Sans Undertale vs Big Chungus. He is an enemy of Big Chungus. Sans has a form when he gets weak. This form is called SANESSS. It is only when he is on the vurge of death he turns into this

Appearences
Sans Undertale is going to appear in Big Chungus 12: Sans Undertale vs Big Chungus.

Sans Undertale appeared in Big Chungus 26: Distracted Chungi as the first main boss.