In the 1998 direct - to - video film Addams Family Reunion , Itt ( played by Phil Fondacaro ) is pursued by a mutant dog invented by Uncle Fester .
Who feeds on human hair .
In the 1998 direct - to - video film Addams Family Reunion , Itt ( played by Phil Fondacaro ) is pursued by a mutant dog invented by Uncle Fester and who feeds on human hair .