Hugo Harold-Harrison is a voice actor who replaced Rupert Degas from Season 2 onwards in The Amazing World of Gumball. He is currently the voice actor for Rob, Tobias, Alan, Miss Simian, Martin Peaches, Julius, Mr. Pepperoni, and many other characters formerly voiced by Rupert Degas.
- Toto le héros (Toto the Hero) (Alfred, as a child)
- Anchoress (Priest's Boy)
- Killing Mum and Dad (Ronnie DeFeo)
- Mr. Nobody (Pool Instructor)
- His Uterus; Her Lover (Hugo)
- The Amazing World of Gumball (Tobias, Alan, Miss Simian, Rob, Martin Peaches, Julius, Mr. Pepperoni, Felix, Newspaper Employee (Season 2), Carlton, Timmy/The Internet, Rocky (season 2), Juke, Human, Archie the Duck)
- Floogals (Boomer)