Monsters

Day

 * Slime (Green, Blue, Purple, Pink)
 * Pinky (uncommon)
 * Harpey
 * Corrupt Bunny
 * Bunny
 * Goldfish
 * Corrupt Goldfish

Night

 * Zombie
 * Demon Eye
 * Harpey
 * Dr. Bones (rare)
 * Groom (rare)
 * Goldfish

Dirt Layer

 * Slime (Blue, Red, Yellow, )
 * Pinky (uncommon)
 * Giant Worm
 * Piranha
 * Goldfish (Uncommon)

Stone Layer

 * Slime (Black, Mother, Baby)
 * Giant Worm
 * Skeleton
 * Tim (rare)
 * Dead Miner
 * Cave Bat
 * Piranha
 * Goldfish (Uncommon)

Corruption Monsters

 * Devourer
 * Eater of Souls
 * Corrupt Bunny
 * Corrupt Goldfish

Meteor Monsters

 * Meteor Head

Dungeon Monsters

 * Angry Bones
 * Burning Skull
 * Dark Caster

Underground Jungle Monsters

 * Hornet
 * Man Eater
 * Piranha

Overground Jungle Monsters

 * Snatcher
 * Jungle Bat
 * Jungle Slime
 * Piranha

Underworld Monsters

 * Bone Serpent
 * Fire Imp
 * Piranha
 * Goldfish (Rare)

Goblin Army Spawns

 * Goblin Warriors
 * Goblin Sorcerers
 * Goblin Thieves
 * Goblin Peons

Special

 * Servant of Cthulhu
 * Skeletron Head
 * Skeletron Hands
 * King Slime
 * Eye of Cthulhu
 * Eater of Worlds