Also question is, why is Gladstone Gander so lucky?
He was then adopted by Scrooge McDuck's sister Matilda McDuck and Goosetave Gander. In The Sign of the Triple Distelfink (first published on February 4, 1997), Don Rosa added that Gladstone was born on Daphne's birthday, who was born under the protection sign of the Triple Distelfink, thus inheriting his mother's luck.
Secondly, who plays Gladstone Gander? Paul F. Tompkins DuckTales Rob Paulsen DuckTales
Also to know, is Gladstone a duck?
Gladstone Gander is an anthropomorphic goose and the lucky cousin of Donald Duck and Della Duck.
Is Webby Della's daughter?
In the series finale "The Last Adventure!", it is revealed that Webby is actually a clone of Scrooge originally named "April", and was created by F.O.W.L. to find the Papyrus of Binding for them, until she was rescued and raised by Beakley. Upon learning of this, Scrooge happily accepts Webby as his daughter.