Retroactive First Names

First names (or in some cases, last names) given to single-name characters long (or even shortly) after their first appearance.

STAR WARS
Films

Episode IV A New Hope (1977)
    Captain Antilles -- Raymus
    Chief Bast -- Moradmin (Insider 96, 2007)
    Officer Cass -- Siward (Death Star Owner's Technical Manual, 2013)
    General Dodonna -- Jan
    Captain Khurgee -- Edmos (Propaganda: A History of Persuasive Art in the Galaxy, 2016)
    Admiral Motti -- Conan Antonio (Late Night with Conan O'Brien, 2007); Zi (Death Star, 2007)
    Colonel Romodi -- Hurst (The Essential Guide to Warfare, 2012)
    General Tagge -- Cassio (Geonosis and the Outer Rim Worlds, 2004)
    Governor Tarkin -- Wilhuff (Star Wars Screen Entertainment, 1994)
    Tiree -- Dex (Ultimate Star Wars, 2015)
Episode V The Empire Strikes Back (1980)
    Sergeant Edian -- Isdam (Insider 148, 2014)
    Captain Needa -- Lorth (X-Wing: Wedge's Gamble, 1996)
    Admiral Ozzel -- Kendal (The Official Star Wars Fact File 4, 2002)
    Emperor Palpatine -- Sheev (Tarkin, 2014)
    Admiral Piett -- Firmus (The New Essential Guide to Characters, 2002)
    General Rieekan -- Carlist (Galaxy Guide 3: The Empire Strikes Back, 1989)
Episode VI Return of the Jedi (1983)

    Admiral Ackbar -- Gial (The Essential Guide to Warfare, 2012)

    Colonel Cracken -- Airen (Cracken's Rebel Field Guide, 1991)

    Commander Igar -- Altadan (FACPOV: Return of the Jedi, 2023)

    Moff Jerjerrod -- Tiaan (The Essential Atlas, 2009)

    Jhoff -- Kasva (FACPOV: Return of the Jedi, 2023)

    General Madine -- Crix
    Telsij -- Gureni (Rebel Starfighters Owners' Workshop Manual, 2019)

Episode I The Phantom Menace (1999)

    Boss Nass -- Rugor (The Last of the Jedi: Death on Naboo, 2006)

    Captain Panaka -- Quarsh (The Essential Guide to Warfare: Author's Cut, 2014)

    Captain Tarpals -- Roos (The New Essential Guide to Characters, 2002)
    Chancellor Valorum -- Finis

Episode II Attack of the Clones (2002)
   Palo -- Jeambie (Propaganda: A History of Persuasive Art in the Galaxy, 2016)

   Captain Typho -- Gregar (The Last of the Jedi: Death on Naboo, 2006)

Episode III Revenge of the Sith (2005)

    Lieutenant Camaran -- Nathaniel (Insider 145, 2013)
    Captain Colton -- Jeremoch (Insider 90, 2006)
Episode VII The Force Awakens (2015)

    Major Brance -- Taslin (Character Encyclopedia: Updated and Expanded, 2016)
    Colonel Datoo -- Erich S. (Ultimate Star Wars, New Edition, 2019)
    Ducain -- Gannis (The Force Awakens Incredible Cross-Sections, 2015)
    General Hux -- Armitage (Aftermath: Life Debt, 2016)

    Major Kalonia -- Harter (Bloodline, 2016)
    King Prana -- Grevoth (Scum and Villainy, 2018)
    Admiral Statura -- U.O. (Poe Dameron: Flight Log, 2016); Ushos (The Rise of Skywalker: The Visual Dictionary, 2019)
    Petty Officer Unamo -- Nastia (Ultimate Star Wars, New Edition, 2019)

Rogue One (2016)
    General Corssin -- Shaef (Rogue One: Ultimate Visual Guide, 2016)
    General Draven -- Davits (Rogue One: Ultimate Visual Guide, 2016)
    Senator Jebel -- Nower (Rogue One: Ultimate Visual Guide, 2016)
    General Merrick -- Antoc (Rogue One: Ultimate Visual Guide, 2016)
    Senator Pamlo -- Tynnra (Rogue One: Ultimate Visual Guide, 2016)
    Senator Vaspar -- Vasp (Rogue One: Ultimate Visual Guide, 2016)
Episode VIII The Last Jedi (2017)
    Captain Jones -- Huetrin (The Rise of Skywalker: The Visual Dictionary, 2019)

    Teene -- Ben (X-Wing Miniatures, 201?)
Episode IX The Rise of Skywalker (2019)

Shows

Droids

    Governor Koong -- Bisad (The Droids Re-Animated, 2013)
    Admiral Screed -- Terrinald (HoloNet News Vol. 531 47, 2002)

The Clone Wars (2008)

    Admiral Coburn -- Barton (Build the Millennium Falcon, 2014)

    Captain Gray -- Andimor (Build the Millennium Falcon, 2016)

    Governor Roshti -- Gupat (The Clone Wars: Character Encyclopedia, 2021)

    General Tandin -- Akenathen (The Clone Wars: Character Encyclopedia, 2021)

    Admiral Tenant -- Nils (Tarkin, 2014)
Rebels (2014)
    Agent Kallus -- Alexsandr (Dave Filoni interview, 2017)

The Mandalorian (2019)

Games

The Old Republic (2011)

    General Garza -- Elin (The Old Republic Encyclopedia, 2012)

    Chancellor Janarus -- Dorian (The Old Republic Encyclopedia, 2012)

    General Rakton -- Arkos (The Old Republic Encyclopedia, 2012)

    Chancellor Saresh -- Leontyne (The Old Republic Encyclopedia, 2012)

Uprising (2015)

    Governor Adelhard -- Ubrik (Scum and Villainy, 2018)

Comics

Star Wars (1977)

    Kligson -- Tarr (Dark Droids, 2023)

    Commander Strom -- Zertik (Viva Space Vegas! The History of the Marvelous Wheel, 2013)

    Moff Wessel -- Marcellin (Insider 84, 2005)

Tales of the Jedi (1993)

    Admiral Vanicus -- Orley (Knights of the Old Republic Campaign Guide, 2008)

X-Wing Rogue Squadron (1995)

    Grand Moff Nivers -- Nigel (The Imperial Warlords: Despoilers of an Empire, 2013)

Crimson Empire Trilogy (1997)

    Admiral Banjeer -- Llon (The Essential Guide to Warfare, 2012)

    General Vota -- Bernard (The Imperial Warlords: Despoilers of an Empire, 2013)

Jedi vs. Sith (2001)

    Lord Kaan -- Skere (The Essential Guide to Warfare, 2012)

Knights of the Old Republic (2006)

    Senator Goravvus -- Haydel (Knights of the Old Republic Campaign Guide, 2008)

Novels

Thrawn Trilogy (1991)

    Captain Pellaeon -- Gilad (The Essential Guide to Characters, 1995)

Jedi Prince (1992)

    Grand Moff Hissa -- Bertroff (Gamer 1, 2000)

Jedi Academy Trilogy (1994)

    Admiral Daala -- Natasi (Legacy of the Force: Revelation, 2008)

The Truce at Bakura (1994)

    Admiral Prittick -- Adye (The Essential Guide to Warfare, 2012)

"Callista trilogy" (1995)

    Colonel Cronus -- Ivan (The Imperial Warlords: Despoilers of an Empire, 2013)

    Moff Shargael -- Bliss (The Imperial Warlords: Despoilers of an Empire, 2013)

    High Admiral Teradoc -- Treuten (The Essential Atlas, 2009)

    Warlord Yzu -- Malfkla (The Imperial Warlords: Despoilers of an Empire, 2013)

The Black Fleet Crisis (1996)

    Grand Moff Gann -- Cinzero (The Imperial Warlords: Despoilers of an Empire, 2013)

    Admiral Nantz -- Firmus (The Essential Guide to Warfare, 2012)

Fate of the Jedi (2009)

    Lord Workan -- Ivaar (First Blood, 2011)

The Old Republic (2010)

    Moff Lorman -- Gelmid (The Old Republic: Knights of the Eternal Throne, 2016)

A New Dawn (2014)

    Lieutenant Deltic -- Kanna (FACPOV: The Empire Strikes Back, 2020)

    Captain Karlsen -- Yale (Bottleneck, 2015)

Tarkin (2014)

    Vice Admiral Rancit -- Dodd (Aftermath: Life Debt, 2016)

Bloodline (2016)

    Senator Apolin -- Ormes (The Last Jedi: Expanded Edition, 2018)

Rebel Rising (2017)

    Admiral Rocwyn -- Bethava (Scum and Villainy, 2018)

Other Media

Comics

   Professor Broom -- Cantebarius H. (The Droids Re-animated, 2013)

   Doctor Pontak -- Pineas (Barely Tolerable: Alien Henchmen of the Empire, 2013)

   Travis -- Milar (The Essential Guide to Warfare, 2012)
   Tuck -- Tyrell (The Rebel Files, 2017)

Novels

   King Veruna -- Ars (Darth Plagueis, 2012)

RPGs
   Sergeant Arbmab -- Jimmon (Rogue One: Ultimate Visual Guide, 2016)
   Admiral Drez -- Ilon (The Essential Guide to Warfare, 2012)
   Colonel Niovi -- Gastos (The Imperial Warlords: Despoilers of an Empire, 2013)
   Moff Prentioch -- Utoxx (The Essential Atlas, 2009)

Unsorted
   Chancellor Contispex -- Aldon (Cult Encounters, 2017)

   Chancellor Cressa -- Tol (The Essential Guide to Warfare, 2012)

   Moff Grazz -- Walang (The Imperial Warlords: Despoilers of an Empire, 2013)
   Chancellor Kalpana -- Skor (Dooku: Jedi Lost, 2019)
   Admiral Kermen -- Uther (The Essential Guide to Warfare, 2012)
   Grand Moff Selit -- Ambris (The Essential Guide to Warfare, 2012)

   Moff Tethys -- Jmanuel (The Imperial Warlords: Despoilers of an Empire, 2013)

HARRY POTTER

   Gregorovitch -- Mykew
   Madam Hooch -- Rolanda (Trading Card Game, 2001)
   Mr. Ollivander -- Garrick (Pottermore, 2011)
   Professor Quirrell -- Quirinus (Trading Card Game, 2001)

   Yaxley -- Corban (Pottermore Presents, 2016)