Bartholomew Byfard Boo

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Bartholomew Byfard Boo
Vital Statistics
Species Ghost
Gender Male
Eye color Black
Other Statistics
Production Details
First appearance APNSD: Ghost Who's Coming to Dinner
Played by Frank Welker

Bartholomew Byfard Boo, or Mr. Boo as he prefers, is a real ghost.

Physical appearance

He is a transparent ghost with a large red nose and wears a small derby hat.


He is extremely friendly and gentle. Also, despite being one he is frightened of ghosts.


A Pup Named Scooby-Doo

Season one

He hired the Scooby-Doo Detective Agency to clear his name when BooBeard started causing trouble in his home, so his house wouldn't be torn down and him going down with it.



Thanks a million, kids. (sniffles) Why, if it wasn't for good friends like you, I'd be—


  • When Scooby-Doo sneezes, causing Mr. Boo to lose his sheet, he gets another from the closet. This seems to be a reference to the Ghost Monsters of the PacMan cartoon.
  • Chronologically, Mr. Boo is the first real ghost the gang ever encountered and befriended.
  • Daphne doesn't believe him to be a real ghost at first.
  • His mannerisms and voice are similar to Droopy Dog, another character Don Messick and Frank Welker had voiced.

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