The Freaky Dweller

Full feature list:

• Freaky dweller - rare mob with unique behavior (not a cave dweller reskin) (mostly cheese proof but also balanced to be survivable and killable)
• Freak Cave - structure with 1/4 chance of containing a freaky dweller
• Freaky Mailbox - gambling
• Freaky Note - Give to your friends to terrify them
• Freakon - boss summon item
• (No spoilers for boss will be in this note)
• Freaklet - Rejected freak and tanky pet that is tamed with enchanted golden apples
• Metal Pipe - cool ability and funny sound
• Freaky Mask - become the freak
• Freaky Spitball - throwable projectile with unique behavior
• Advancements - acts as a guide for the mod