NPCs/Hotland

Clam Guy (1)
This monster will talk about how they came to Hotland specifically to get a drink. If you carry a cup of water around or dump a considerable amount of water, they will comment on this.

Business Dudes (2 & 3)
These monsters are glad that the reactivated puzzles are preventing them from progressing, as the don't want to work. They are also of Mettaton's show.

Fox Head (4)
This monster speaks in questions. They will complain that their coworkers are not helping them with the reactivated puzzles.

Fuku Fire (5)
Trapped behind the laser on the west side of the first steam puzzle room, this monster will show relief over the fact that they've been disabled. She shows a resemblance to Grillby, but nothing in-game connects them other than appearances.

Skateboard Girl (6)
This monster, upon being freed, will talk about how they believe that school has to be cancelled due to the reactivated puzzles. They express a dislike for school and take every opportunity to say that it should be cancelled.

Heats Flamesman (1, 2, 3)
Heats Flamesman is a small, flame headed monster encountered in Hotland. Upon first meeting him, he tells you to remember his name.

He is later encountered to the right of the room before MTT Resort. Whether you tell him you remember or not, he will put on a flabbergasted expression and remark that he was easily defeated. Speaking to him again after telling him that you remembered his name will earn the response "I WILL ALWAYS REMEMBER THAT YOU REMEMBERED." Likewise, if you told him that you forgot he will respond "I WILL NEVER FORGET THAT YOU FORGOT."

Hot Dog Harpy (4)
This monster is seen near Sans' illegal hotdog stand. She will comment on the fact that he has not cleaned the snow off of the roof of his hotdog stand, and deems it a result of his laziness.

Hot Dog Vulkin (5)
This Vulkin can be seen near Sans' illegal hotdog stand. They express joy over having obtained a hotdog.

Scared Donut Guy (1)
This monster was convinced by Muffet to buy one of her spider pastries, and ended up spending all of their money. They resolve to not buy anything from spiders while on the surface in the True Pacifist Ending.

Diamond Boys (2 & 3)
These monsters will only appear after you solve the northern puzzle on the third floor of Hotland. They are fans of Mettaton, and will talk about their favorite moments of his show. What they say actually hints at what to do to gain ratings in Mettaton's boss fight. One of them can be seen watching Mettaton's stage show in the True Pacifist Ending Credits.

Dress Lion (4 & 5)
This lion-like monster is a big fan of Mettaton, admiring his talent. In a True Pacifist ending, Mettaton gives them his dress. He can be seen at the end of the True Pacifist Ending Credits watching Mettaton's stage show