Cousin Blobby is a ghostly relative of Fenwick Quarrel, the deceased great uncle of the sorcerous couple Selwyn and Tallulah, and as a ghost amiably haunts their home Quarrel Castle. Blobby is so named because he is fat and that he is a constant eater. He appeared in the episode "Smurfing For Ghosts", when he along with Fenwick's other relatives are with Fenwick coming to visit him for his Ghost Day.