Daniel Düsentrieb
Several secondary characters have also achieved star status in certain publications, such as Grandma Duck, Donald Duck's grandmother; Gladstone Gander, Donald Duck's incredibly lucky cousin; Gyro Gearloose, an inventor who is often patronized by Scrooge; and Ludwig Von Drake, a knowledgeable professor. Scrooge also has several enemies, such as the Beagle Boys, a gang of robbers and escaped prisoners; Magica De Spell, an Italian sorceress; and South African Flintheart Glomgold and English-American John D. Rockerduck, both rival business men of Scrooge.