Snoopy and Woodstock Birthday Celebration Illustration #3040938 (License: Personal Use)

This vibrant cartoon features Snoopy seated on the right, donning a blue polka-dot party hat, while three Woodstock birds hold up a blue triangle, orange star, and pink round balloon. Below them, bold blue lettering spells out “HAPPY BIRTHDAY!” in playful, outlined font. The scene captures the classic Peanuts charm with simple lines, bright colors, and lighthearted celebration vibes.

Commonly used on greeting card websites, party planning blogs, social media posts, and fan sites for birthdays; matches user intent for finding fun, nostalgic, or printable birthday visuals featuring beloved Peanuts characters.