The monster was the disguise of Fred Jones.
Physical appearance[]
The monster appears to be a muscular sea creature with green skin, grayish-yellow ears and a belly, along with sharp teeth, yellow eyes and claws.
Personality[]
Since it was all a staged mystery, Fred pretended to act like a dangerous beast.
History[]
Scooby-Doo! 50th Anniversary Giant[]
The monster surprised attacked Shaggy and Scooby while they were heading straight for the lighthouses kitchen, and scares them into running down a hall back to Daphne and Velma, it followed them only to let the four get away while they were wondering where Fred went.
The monster was later revealed to be a disguise Fred used while the rest of the gang dressed as three predictable suspect types to keep Scooby distracted, as they "disappeared" and went to set up his surprise birthday party
Appearances[]
- Scooby-Doo! 50th Anniversary Giant
- #2. Now You See Them... (no lines)