At the top of the Illustration Style image, Happy Birthday, Colin!

Hand-drawn illustration with fine linework and textured brush strokes: a funny, warm scene of two anthropomorphic, vintage Coca-Cola–style glass bottles who are clearly cousins. They wear tiny party hats and big goofy grins as they clink together, sending a burst of fizzy bubbles, confetti, and streamers into the air. A retro red metal cooler (bottle-cap shaped) sits between them, brimming with ice and classic red cola bottles; one cap has just popped, unfurling a silly party horn. A curly drinking straw loops into a big playful “C” shape, and a slice of cola-brown birthday cake with a sparkler fizzes like soda on a small plate. Balanced composition with warm, expressive palette: cola reds, cream whites, caramel browns, and golden highlights; subtle paper grain; confident fine linework; lively, textured brush strokes; soft vignette for focus. Light-hearted visual gags: bubbly foam forming playful shapes, bottle caps stacked like a tiny tiered cake, and confetti shaped like little bottle caps. No brand logos.

At the bottom, a small handwritten caption: To my fizziest cousin—let the good times pop!

Generated with these themes: Coca cola, Cousin, and .

Made with ❤️ by AI.