Top Ten Ducktales (1987) Villains

Scrooges long time rival who constantly competes with him over being the richest duck in the world.

The head of the Beagel family who always finds ways to bust her boys out of jail to try break in to Scrooges money bin.

A major antagonist in the 5 part pilot.

Bizarre name for a character Fritter O'Way shows up to reclaim a debt from his ancestor from one Scrooges ancestors completely taking over Scrooges fortune and home and leaving Scrooge and the others out on the street.

In the episode Master of the Djinni both Scrooge and Glomgold get their hands on the lamp and since the Genie can only serve one master he decides they should have a race from their location to the Duckburg ice cream parlor but after realizing that no matter who wins he'll go back to being a servant again he sends both back in time to prevent either from winning.

A robot from the episode properly titled "Armstrong" a robot that can laterally do everything until it becomes too smart for its own good and completely takes over.