Bestiary

Stone Layer

 * Gug
 * Golden Gug

Jungle Layer

 * Moss Gug
 * Diamond Gug

Void Layer

 * Stardust Gug
 * Titanium Gug

Mantle Layer

 * Pumice Gug
 * Palladium Gug
 * Infernoid

Permafrost Layer

 * Frozen Gug
 * Incyclite Gug
 * Frost Observer

Structure Enemies
Enemies that spawn in generated structures
 * Not a Chest
 * Rainbow Gug