I google translated all the calamity bosses, here are the best ones. (full list on comments) : r/CalamityMod

Steam Workshop::Enemy Overhaul

Calamity mod bosses ranked based on how fun their fight is. (Expert Mode) : r/CalamityMod

Create a All Calamity Mod &Vanilla Terraria Bosses & Minibosses Tier List - TierMaker

How to download Terraria's Calamity mod - Dexerto

Calamity Bosses Drawings ^~^, Wiki

DEATHMODE - All Bosses vs Voidragon - Terraria Calamity Mod

Terraria Calamity Mod Music - Raw, Unfiltered Calamity - Theme of Calamitas by DM DOKURO: Listen on Audiomack

My OPINION on how cool every boss in terraria and calamity are : r/CalamityMod

My Terraria Calamity(MM Death Melee) Boss Tierlist, by Difficulty and Fun, AND also epic 3h long video of me killing every boss except endgame bc hard

Terraria Calamity Mod 1.4: Challenging Bosses Await (Episode 4) — Eightify