List of fictional Welsh people

The following notable Welsh characters have appeared in fictional works.

Novels

Wizard Howl in the fantasy novel Howl's Moving Castle
Gwenog Jones in the fantasy novel Harry Potter
William Herondale in the young adult fiction book trilogy The Infernal Devices of The Shadowhunter Chronicles franchise.

Marvel characters:

Richard Wesley is a spy in the game Wolfenstein: The Old Blood.
Knight L. Rhys is a soldier of the Brotherhood of Steel in the game Fallout 4. His surname suggests he is of Welsh descent.
Lisa Trevor is a test subject at the Umbrella Corporation in Resident Evil. She is a pinnacle character within the story as she helped the corporation create the G-Virus.
Edward Kenway is the protagonist of Assassin's Creed IV: Black Flag. He is voiced by Welsh actor Matt Ryan, and was rewritten to be Welsh following Ryan's casting. The character is explicitly referred to as a Welshman from Swansea within the game, with his Cardiff upbringing expanded upon in the games' novelisation.
Nia is a Driver in the game Xenoblade Chronicles 2. She originates from the fictional nation of Gormott, but speaks in a Welsh accent.