The Fear Demons are the secondary antagonists of the Ducktales episode "Nothing to Fear". Created by Magica De Spell, they are each physical manifestations of the worst phobias of Scrooge McDuck, Huey, Dewey, and Louie, Doofus Drake, and Duckworth.
Fears by Appearance
The Limo MonsterShortly after being washed, Scrooge's limousine transforms into an aggressive black panther to frighten Duckworth.
Commander GanderThe villain of Huey, Dewey, and Louie's favourite video game, "Flash Mallard", leaps out of the television to frighten them. He appears in the final battle but he was disintegrated into pixels when one of the nephews tells him that "he's only a video game".
Banana MonsterA peeled banana that Doofus Drake prepares to eat begs to be spared, with the added threat - as it grows into a giant monster - that it will eat him if he doesn't.
Vacuum MonsterA monstrous vacuum cleaner appears in a storage closet, thwarting Duckworth's attempts of hiding from the Limo Monster in there.
Bill CollectorsAngry bill collectors appear at Scrooge's doorstep to harass him.
Bully BeagleThe school bully appears to harass Doofus.
Mrs. QuackenbushA demonic manifestation of Huey, Dewey, and Louie's teacher appears at their windowsill to reprimand them for not doing their homework. She appears in the final battle but she poofs away after the nephews tell her "they already done their homework" (to which she apologises before disappearing).
ScroogeAn abusive clone of Scrooge cruelly belittles his nephews. He appears in the final battle but he was turned into a giant 1 cent coin before being poofed away into smoke after the nephews told him that "he's not Uncle Scrooge" and proceed to throw mud at the impostor.
Huey, Dewey, and LouieDelinquent, heartless clones of the triplets cruelly belittle Scrooge. They appeared in the final battle but they shrink into nothingness after Scrooge told him that "his boys love him, therefore they're not his boys".
The Fear CloudThe cause of the entire event, it ultimately turns against Magica, making her worst fear of her spells no longer working come true.