Editing John D. Rockerduck (section)

==In other media==
Rockerduck, voiced by [[John Hodgman]], made his animated debut in 2019, in the ''[[DuckTales (2017 TV series)|DuckTales]]'' reboot, being a recurring antagonist in the series. Prior to his appearance, Rockerduck was described by series co-creator Francisco Angones as a [[Robber baron (industrialist)|robber baron]] and [[billionaire]] competitor of [[Scrooge McDuck]] during the 1930s.<ref>{{cite web| url-status = live| archive-url = https://ghostarchive.org/varchive/youtube/20211205/UuaWGW4M2Nk| archive-date = 2021-12-05| url = https://www.youtube.com/watch?v=UuaWGW4M2Nk&t=360s| title = Ducktales' Matt Youngberg and Francisco Angones Live at SDCC 2018 | website=[[YouTube]]| date = 21 July 2018}}{{cbignore}}</ref> Rockerduck was introduced in season two's ninth episode "The Outlaw Scrooge McDuck!", where he is portrayed as a wealthy and corrupt businessman in the [[Old West]] while Scrooge was still a young [[Prospecting|prospector]] who had not yet made his fortune. Rockerduck's M.O. at the time was buying whole towns with the promise of improving them, when in reality, he actually steals their resources and leave them behind as ghost towns. He encounters Scrooge while attempting to claim a gigantic [[gold nugget]] found in his latest acquisition, the town of Gumption, despite the fact that Scrooge and [[Glittering Goldie|Goldie O'Gilt]] found it first. Scrooge and Goldie later steal the nugget back, and return it to Gumption.<ref>{{cite episode|title=The Outlaw Scrooge McDuck!|series=DuckTales|airdate=2019-05-08|season=2|number=32}}</ref> In season two's one-hour finale "Moonvasion!", it is revealed that Rockerduck had used experimental [[Suspended animation in fiction|cryogenics]] to stay alive and became an agent of [[F.O.W.L.]]<ref>{{cite episode|title=Moonvasion!|series=DuckTales|airdate=2019-09-12|season=2|number=47}}</ref> In season three’s eleventh episode "The Forbidden Fountain of the Foreverglades!" he seeks out the [[Fountain of Youth|titular fountain]] to rejuvenate his youth, which he succeeds in.<ref>{{cite episode|title=The Forbidden Fountain of the Foreverglades!|series=DuckTales|airdate=2020-10-12|season=3|number=58}}</ref> In the series finale" The Last Adventure!", he joins F.O.W.L. in a plot to rid the world of adventuring, but is driven off by [[Mrs. Beakley]].<ref name="The Last Adventure!">{{cite episode|title=The Last Adventure!|series=DuckTales|airdate=2021-03-15|season=3|number=69}}</ref> and his exact fate is left unknown.