Bosses

There strong, period.

Normal Mode
Eye of Cthulhu

Ghazter the Lost One

Eater of Worlds

Brain of Cthulhu

Lighter of Tracks

Frost Princess

Giant Glumbug

Metreor

Jelly-Fick

Cubios

Spine Bug

Skeletron

Big Bad Boris

Queen Bee

Wart the Wizard

The Headless Haunter

King and Queen Slime

Wall of Flesh

Hard Mode
The Twins

The Destroyer

The Headacher

Tytar 3.0

Skeletron Prime

Mircor the Great

Clunder Storm

Bone Snake

Base-32DES Security

Duke Fishron

Haventree

Motstomp

Plantera

Golem

Flacnation

Targ Tar

Ocram

Lunatic Cultist

The Moon Lord

Final Mode
Nucleos

Lich Servant

The Lich

Shadow Snake

Shadow Flacnation

Shadow Cultist

The Magnium

Blood Moon
Frakenblood

Goblin Army
Goblin King

Pirate Invasion
Flying Dutchman

Martian Madness
Martian Saucer

Old One's Army
Dark Mage

Ogre

Flame n' Frost

Betsy

New Year
The Giver

Valentines
Evil Cupid

St. Patrick's Day
Unlucky Leprechaun

Easter
Lepus

4th of July
Flamework

Halloween
Big Brain

Shadow Grave

Mourning Wood

Gearshift

Pumpking

Thanksgiving
Turkor the Ungrateful

Christmas
Everscream

Presentor

Snowter

Santa-NK1

Ice Queen