original question: Which material in fiction has appeared in the [Donald Duck universe]?
answer: bombastium
answer type: Material in fiction.
auxiliary information: The Donald Duck universe is a fictional shared universe which is the setting of stories involving Disney cartoon character Donald Duck, as well as Huey, Dewey, and Louie, Scrooge McDuck, and many other characters. The world is a spin-off of the older Mickey Mouse universe, yet has become much more extensive. Life in the Donald Duck universe centers on the city of Duckburg, usually located in the fictional U.S. state of Calisota, analogous to Northern California. The world also incorporates several other real and fictional locations, as well as historical figures and a fictional timeline, which is followed by varying degrees of consistency. Disney comics are the primary medium for Donald Duck stories. Contributors include Americans Carl Barks, Ted Osborne, Don Rosa, Tony Strobl, Al Taliaferro, and William Van Horn, as well as Italians Giovan Battista Carpi, Marco Rota, and Romano Scarpa. Other media includes children's books such as Little Big Books and Little Golden Books, television series such as Duck Tales and Darkwing Duck, and video games such as QuackShot, Goin' Quackers, and DuckTales: Remastered.
[Donald Duck universe] contained an appearance from what fictional material?