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Joseph Greetings, also known as Mr. Greetings, is the mysterious CEO of the shady Greetings Robotics Corporation.

In Episode 21 it was revealed that he was involved in the Philadelphia Experiment as a member of the USS Eldridge crew. He miraculously survived the teleportation operation, unlike most of the crew who ended up melted into the metal of the ship itself.

He was the first person to see Mischief's new form, and there is a chance that he gained some paranormal ability or power as a result of the experiment.


He appears as an elderly man with grey-white hair and blackened eyes. He is frequently seen wearing a black suit with an upturned collar.


Main characters Henryk Niebieski · Mischief
Recurring characters Chef · The Ghost · Henryk's great-granddaughter · KAMI · Mr. Greetings
Universe Cerebral electricity · Dreamland · Greetings Robotics Corporation · The Lighthouse · Montreal
Part I 01 · 02 · "Greetings Robotics" · "The Ghost" · "The Son of Man" · "Bear Witness" · "The Mechanical Saccorthytus" · "The Watchful Eyes" · "Camouflage" · "An Illusion of Time" · "Revelation" · "Metallic Evolution"
Part II "The Right Direction" · "Dreamland" · "The Winds" · "When Skies Were Still Blue" · "The Fall" · "Rebuilding" · "Entanglement" · "All That Perish"
One-shot "Big Smile's Order"
Adult Swim shorts "Open Wide Up" · "Stranger Danger" · "A Christmas Stalking" · "A Striking Ball"