The Giant Crab was the disguise of Frunză Mănescu.
Physical appearance[]
It's a giant magenta and light pink crab with fangs, large claws and long legs.
Personality[]
It was a supposed guardian of the Christmas Island crabs and was a threat towards humans and other animals for being on the island. Even leaving threatening messages to those who've stayed.
History[]
Scooby-Doo! World of Mystery[]
It appeared out of nowhere and attacked Mystery Inc. by the Crab Beaches, and then chased them through a hotel, Fred and the girls ran off into the cafeteria/dining room while the two cowards hid inside the storage closet. But ended up getting found, as for the others, Velma found one of it's various threatening messages on the ground in the ruined dinning room.
Fred later gives out a trap for the crab, after promising to the hotel manager that they'll do so. The two cowards of the group dressed in banana costumes and were gonna lead the crab to a road where Fred and the girls would knock over a barrel of glue and get it crab stuck in it. Which was successful.
The crab carrier unmasked.
They then unmasked it and it turned out to be Frunza, a director of the S.I.D.P.C organization. He had been targeting humans and other animals on the island in an attempt to scare them off so the crabs can be the rightful owners of the island.