Create a humorous birthday-themed illustration full of whimsy, highlighting a grumpy cat in the center. The cat, donning a party hat, is reluctantly operating an antique crank-operated washing machine set against Brixton's recognisable skyline in London. On the periphery, a group of varied characters – a South Asian woman, a Caucasian man, a Hispanic woman, and a Black man – are engaging in an energetic spin class, all wearing festive hats. Fill the scene with the joyful absurdity of vegetables parachuting from the sky and a birthday banner being held aloft by croissants. The images should be rendered in a light-hearted and colorful vector style.

Generated with these themes: Our grumpy cat, Doing laundry, London (Brixton), Spin classes , Croissant , and Vegetables.

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