Alright, picture this:

The cover of the birthday card is a vibrant, bustling beach scene set in an imaginary universe where the themes of Liverpool FC, War of the Worlds, and beach fun come together seamlessly. The sky above is a radiant blue, dotted with fluffy white clouds, and a blazing sun with a smiley face, reminiscent of Winsor McCay's whimsical style.

In the center of the scene, towering Martian tripods from H.G. Wells' "War of the Worlds" loom large but with a comical twist. Each tripod is painted in the bright red colors of Liverpool FC, complete with the team's crest prominently displayed on their 'heads.' Their mechanical legs are not destroying the beach; instead, they are playing beach soccer with oversized beach balls decorated with the Liverpool FC logo. One tripod even wears a comically large Liverpool FC scarf around its 'neck.'

To the left, you'll find a group of Liverpool FC fans, drawn in the playful style of Charles Schulz's Peanuts characters, cheering on the tripods from beneath a red-and-white striped beach umbrella. They're holding up signs that read, "You'll Never Walk Alone" and "Happy Birthday!" In the sand, a child builds a sandcastle in the shape of Anfield Stadium, complete with tiny flags and miniature goalposts, reminiscent of the detail found in Hergé's Tintin adventures.

On the right, a group of kids and Martians are engaged in a friendly water balloon fight, using pastel-colored balloons shaped like soccer balls. The Martians, inspired by Gary Larson’s The Far Side, are depicted as goofy, green, and harmless, with exaggeratedly large eyes and wearing swim trunks and Liverpool FC caps. One Martian has a floating beach chair, sipping a drink with a tiny umbrella, and reading a comic book titled "War of the Soccer Worlds," a nod to Bill Watterson's Calvin and Hobbes.

In the background, you see the Liverpool FC mascot, Mighty Red the Liver Bird, flying a small banner that reads, "Happy Birthday from Liverpool FC!" The waves gently crash onto the shore, where a robotic tripod has an ice cream stand, offering treats with amusing flavors like "Martian Mint" and "Liver-bubblegum."

The overall scene is bustling with fun, packed with intricate details for the viewer to discover, channeling the vibrant storytelling and meticulous artwork of artists like Osamu Tezuka and Art Spiegelman. The combination of the classic, humorous elements of underground comix from R. Crumb and the adventurous spirit of Will Eisner’s graphic novels makes this birthday card truly unique and memorable.

Generated with these themes: Liverpool FC, War of the worlds, and Beach.

Made with ❤️ by AI.