While attempting to explain he was giving him the dime as to teach him self reliance, Scrooge reveals that he is the richest duck in the world, making Duke even angrier at him for only giving up a dime. He grabs hold of his shadow as it tries to join Magica, but is flung out of his office and into the sea. Unfortunately by the time of "Glomgold hates Scrooge with every fiber in body and obsessively tries to defeat and kill him every chance he gets. He is the owner of Glomgold Industries and Scrooge McDuck's rival and arch-nemesis, who is obsessed with becoming the richest duck in the world by either killing or surpassing him. Wanting to get back at Scrooge, Duke creates a new scheme to use Scrooge's money to create a superior Scottish persona and then dedicate the rest of his life to beating him, taking up the name Flintheart Glomgold. He takes great pride in even the most minor of victories, like when Scrooge lets him win a coin toss in "The Missing Inks of Moorshire! To his own surprise however, Scrooge's corpse gets up from the casket and smacks him in the face. At the coin toss to see who goes first, Glomgold switches a regular coin with a two heads coin (which is easily noticed by everyone) but calls out tails and loses. Instead, an angered Duke yells at Scrooge saying that shoe shining is a dollar, spats are extra, and plus a tip. Glomgold then laughs after Scrooge messes up his shot thanks to Louie shouting at him and it lands in the weeds surrounded by magical runes. Glomgold attacks Scrooge in anger and they fall out a window and accidentally activating the Time Teaser, only this time they also reversed the effects, freezing Scrooge and Glomgold in time.
Although objecting to his elaborate plot, Scrooge, deciding to put Duke on a path like his own, hands him a dime as payment, only for Duke to throw the dime away and demand he be paid in full.
" Curse you McDuck! " At the end of the episode, Glomgold, disguised as a mailman, gives Beaks an invitation to the Billionaires Convention and starts implicating his plan. Examining their surroundings, they notice two glowing balls, which shock Glomgold each time he tries touching them with his golf club.
He hates being ignored and treated like a third wheel, too, and buts into a situation whenever he can if he feels attention is being drawn away from him. In "The Missing Links of Moorshire! In spite of his failures, Glomgold is arrogant enough to believe that he has the upper hand at any given moment and that this may lead to Scrooge's downfall. When Owlson was talking to him he fiddled with it and pressed the button on top and all of time freezes, so Glomgold leaves McDuck Enterprises to explore the outside. In fact, unlike other depictions of Glomgold, this version's main motivation is his total obsession with either killing or beating Scrooge, and thus he puts less focus on scheming up ways to make money and more on devising death traps and ways to befall his nemesis. Embarrassed, Glomgold tries repeatedly to throw the coin in the ocean, failing each time until Scrooge concedes the coin toss to Glomgold. After Donald explains himself, Glomgold reveals that he only hired Donald to use as a hostage in case Scrooge tried to stop him, escaping and leaving Scrooge, Donald and Dewy to drown in the slowly filling room.
Glomgold initially thinks everyone is messing with him and spends twelve months engaged in a staring contest with a frozen baby.
Glomgold also sports a fake grey beard to look older.
In "Storkules in Duckburg!
To accomplish this he plants a fake entry in Huey's book making everyone else think Scrooge is suffering from a made up disease called "gold fever".
He makes no attempt to hide his goals unless he is pretending to be on Scrooge's side (and even then, he doesn't do a very good job), and is bold enough to try and blow up Scrooge's office on live television.