Complete Order To Defeat All Terraria Bosses

There are a lot of bosses in Terraria. Here, you can learn the order to defeat pre-Hardmode and Hardmode bosses.
Here, you can learn the order to defeat all pre-Hardmode and Hardmode bosses in Terraria.

Steam Community :: Guide :: The Ultimate Boss Guide

Terraria Bosses in Order by @gamingcollective - Listium

All Terraria bosses list in order

Terraria 1.2.4 All Boss-Fight MELEE WEAPONS (with guide)

Bosses - Official Terraria Mods Wiki

All Terraria bosses list in order

bosses/mini bosses rated based on how interesting they are to fight : r/ Terraria

Terraria Boss Order & How To Defeat Them

I need help i am trying to kill every boss in terraria but i cant figure out what these last 2 are : r/Terraria