Harold Wilson is a minor character in The Amazing World of Gumball, and the father of Tobias and Rachel. He first appeared as a shadow in "The Party" arriving home with his wife.
Harold resembles a humanoid version of his son. He has exactly the same color scheme as him as well; a blue, red, and orange gradient. He has a blue mustache, and wears a white collar with a pink tie. Unlike his son, his wife, and his daughter, he doesn't wear shoes, headbands, or wristbands.
- In his first appearance, he was merely shown as a shadow, but "The Curse" revealed his true appearance.
- He is the only member in his family that doesn't wear a headband, footwear, or wristbands.
- His name was revealed in "The Castle."
- He has a strange fascination with poking things and people, as seen in "The Castle"