Mr. Robinson wears a work tie with a patch, though it is unknown of what the patch stands for. Mr. Robinson wears brown pants with blackish-green shoes. He resembles a muppet. It is shown in The Debt that Mr. Robinson wears an orange shirt beneath his work shirt.
Mr. Robinson is grouchy and dislikes young people, Gumball in particuliar. He prefers a quiet life with this wife, but as shown in The Debt, he also wants to have an involving life. Gumball always tries to live-up to his "role-model," but this makes him more annoying to Mr. Robinson.
- It is unknown whether Mr. Robinson allows his son to live in his basement, or Rocky lives in a hotel.