This Birthday card features an older gentleman with a wild silver-gray mane, a full mustache, and a neatly trimmed beard, giving him a smart yet approachable look. Round spectacles sit on his nose, and his bright eyes meet the viewer with a friendly, teasing spark that feels like an inside joke shared between close friends. He wears a white lab coat over a light tan collared shirt, hinting at a curious, academic setting without showing any actual lab equipment. In the center, he holds a small wooden-framed chalkboard up with both hands, like he’s presenting a fun little “equation” for the day 🎉. The message reads “YOU + BIRTHDAY = HAPPY” in white chalk-style lettering, arranged in three lines across the board. The text stands out clearly against the dark board, while the rest of the design stays simple with an off-white background that keeps all attention on his expression 🎂. He sticks out his tongue with a big grin, and the gentle lighting highlights the texture of his hair, the crisp folds of the coat, and the warm brown edge of the chalkboard frame.