Fenton

Fenton, as usual, was working in Vinta's laboratory. At the moment, he was carrying some blueprints that Vinta had requested.

Fenton works with Flintheart Glomgold, and is friends with the McDuck family, specifically Huey, Dewey, Louie, Scrooge, Webby, Della, and Donald.
Vint is a scientist. He works for Scrooge McDuck.
Dilly Duck is Scrooge McDuck's great-nephew. He's cunning, intelligent, and loyal. 12 years old.
Billy Duck is Scrooge's great-nephew and the brother of Huey and Dewey. He is smart, kind, and caring. 12 years old.
Willie Duck is Scrooge's great-nephew and the brother of Billy and Dilly. He is kind, active, and cheerful. 12 years old.
Della Duck is Scrooge's niece and the mother of Huey, Dewey, and Louie. She is kind, cheerful, active, and brave. She is Donald's sister.
Donald Duck is Scrooge's nephew and Della's brother. He is kind, caring, and very worried about his family; if they are in danger, he will lose his temper.
Fenton is also acquainted with Mark Cluver.
Mark Kluves is a self-employed, underqualified individual with good reviews, but he doesn't come up with his own ideas and borrows them from others. He will do a lot to achieve his goals.