This page will best a list of all the universal prison inmates. Some more noteworthy monsters such as Link Nukem's daughter or Gananllitron will have their own pages but almost every other monster will be listed on this page. WIP
Listed below is a a gold standard to follow with this list:
Super Atomic Boo[]
Super Atomic Boo
Super Atomic Boo is a class SS monster.
Boos[]
Boos are class C monsters.
Little Devil[]
Little Devil is a class SS monster.
Shadow Toad[]
Shadow Toad is a class A monster.
Lazy Doopliss[]
Lazy Doopliss is a class A monster.
Shiny Amayzee Dayzee[]
Shiny Amayzee Dayzee is a class A monster.
Baby Shiny Amayzee Dayzees[]
Baby Shiny Amayzee Dayzees are class B monsters.
Overlord Majin[]
Overlord Majin is a class SS monster.
Dark Sleepy Bones[]
Dark Sleepy Bones is a class A monster.
Dark Lazy Bones[]
Dark Lazy Bones is a class A monster.
Dark Armos[]
Dark Armos is a class A monster.
Sharp Eyes[]
Sharp Eyes is a class A monster.
Overlord Zenon[]
Overlord Zenon is a class C monster.