The prison number for each of the Beagle Boys is some combination of the numbers 1, 6, and 7, a holdover from the Carl Barks Uncle Scrooge comic books, wherein they were identified only by their numbers.
The series TaleSpin was originally intended to be a Duck Tales spin-off featuring Launchpad, hence the word "Tale" in the title of that series.
Uncle Scrooge's millionaire nemesis, Flintheart Glomgold, is portrayed in this series as a Scot. In fact, he was a native Afrikaner in the original comic.
In January 2009, IGN listed DuckTales as the 18th best show in the Top 100 Best Animated TV Shows.
Flintheat Glomgold lives in South Africa in the comics but because apartheid occurring there at the time, his South African origin was deleted from the later comics and this series.
In Carl Barks' stories, the Beagle Boys have no individual personalities and they all look the same. They are only mentioned by their numbers and they all begin with "176". The only exception is the founder of the Beagle Boys, Blackheart Beagle, unless you count the fact that 176-167 is very fond of prunes. Blackheart never appeared in Ducktales and was replaced with an original creation, Ma Beagle.
In Carl Barks' comics the money is Scrooge's money bin is mostly sliver and copper, almost none of it is gold.
In the comics Donald Duck was not in the navy, and always accompanied Uncle Scrooge, Huey, Dewy, and Louie in the their adventures. However, the shows creators thought that he might steal the focus from Scrooge and that his voice would be to hard to understand.
The characters of Gyro Gearloose, Magica DeSpell, Flintheart Glomgold, the Beagle Boys and Gladstone Gander all originated from Carl Barks' comic series, predating "DuckTales" (1987).
Webby is based on daisy duck's nieces April, May, and June.
Scrooge McDuck was named after Ebernezer Scrooge from "A Christmas Carol".
CASTLE THUNDER: Heard several times at the onset of Magica's fear storm.
The majority of the episode with Scrooge looking for the lost Drakespeare play is an homage to William Shakespeare with many quotes and references to his plays.