According to the official Terraria lore, Skeletron is Cthulhu's bones, The Eye of Cthulhu is his eye, and the Destroyer is supposed to be his prothestic spine. Here's a lore-accurate rebuilt Cthulhu. :
Armor - Terraria Guide - IGN
Terraria (Wiki): Spinal Tap - AVIDGAMER.GG
How to Craft a Bloody Spine in Terraria (Summon the Brain of Cthulhu) - YouTube
The New Spinal Tap Whip! - Terraria 1.4.1 Guide - YouTube
The spine of the moonlord so far (build in minecraft cuz terraria moobile doesnt have creative mode) : r/Terraria
Some whips I made : r/Terraria
Spine of Thanatos - Calamity Mod Wiki
How to make a Bloody Spine - Terraria - YouTube
PC - Vertebrae still has misspelling | Terraria Community Forums
Spine of Thanatos - Official Calamity Mod Wiki
Who wants to trade 'the bloody spine' because i haven't 'The Corruption' biome in my map. Plsss📱 | Fandom
Steam Community :: Guide :: All Boss Summons
Terraria how to get BLOODY SPINE (EASY) | Terraria 1.4.4.9 + Bloody Spine - YouTube
Hey Terraria Developers, could y'all tell me what the hell a vertebra is? : r/Terraria
Would be a cool drop from EoW. Spine Whip. Damage: 10. Summon damage: 15. It chokeholds one enemy when you hit him, making him freeze and slowly loose life. Range: 18. Very
Terraria - A horrible chill goes down your spine... - YouTube
Edgejuice on X: "Forgot to make one yesterday... oh well. Making pixel art for Terraria bosses day 4: Brain of Cthulhu "A horrible chill goes down your spine..." #pixelart #pixel #terraria #brainofcthulhu
Crafting a Bloody Spine: A Complete Guide to Terrifying Adventures in Terraria - OATUU
Vertebrae | Terraria Wiki | Fandom
I can't summon Brain of Cthulhu. I once used the Bloody Spine died and I can't do it anymore. Here is my arena for it. Can I use the Bloody Spine once