The scene is set on an alien planet where towering spires of exotic crystal formations stretch towards a swirling purple and teal sky, evocative of a Winsor McCay dreamscape. Amidst the jagged landscape, two humorously exaggerated Warhammer 40000 Black Templars, with oversized helmets and comically bulky armor reminiscent of Bill Watterson's playful character proportions, are in the middle of a playful battle. Instead of wielding weapons, they are hilariously armed with gigantic birthday candles and sprinkles, furiously attempting to outdo each other in decorating a massive birthday cake sitting atop a rocky outcrop. The cake is ornately decorated with a dozen different layers, each with a different garish color and texture, akin to R. Crumb's intricate detailing.

In the background, a banner made from vibrant, floating neon jellyfish (a nod to Charles Schulz's imaginative touches) spells out "Happy Birthday Simon!" Their tentacles wave gently, adding whimsy to the cosmic battleground. Above the banner, a cartoonish asteroid (perhaps a nod to Hergé’s clean lines and storytelling elements) is shaped like a smiling face, as if wishing Simon a happy birthday too.

Nestled within a small crater nearby, a quirky robotic sidekick with an Astro Boy-like face holds a list labeled "Simon's Birthday Tactics" with checkboxes for "Cake Combat", "Gift Wrapping Warzone", and "Party Popper Maneuver" comically checked off. In the foreground, a tiny parade of smiling critters, inspired by Osamu Tezuka’s expressive animal characters, carry mini banners, each with a letter, that collectively spell "SIMON" as they march. This scene, packed with intricate details and humor, would make a delightful and engaging birthday card front.

Generated with these themes: Warhammer 40000 Black Templars fighting.

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