here are the monsters names in each map
Town:
Officer Tommy
The Homeless Man
Conjoined Boi
Eternal
Underground:
Dirt Crawler
The Hider
Miner Monke
Heaven:
Angel
Saint Monk
The Lord
Corrupted Landscape:
GLITCH
The Broken one
Error 404
File Breaker
The Corruptor
Corruptified Speedster
Lake:
Swimmer
Drowned
The Fisher
Sea Monke