A cartoon illustration for a unique celebration day. The backdrop consists of an idyllic green park, evoking strong similarities to a forest moon often found in science-fiction franchises. A group of intelligent herding dogs, donned in mini robe-like garbs that bear the semblance of ancient space knights, are bustling about organizing a surprise picnic. The centerpiece of the picnic is an oversized bone-shaped cake with the playful inscription 'You're the Best Dad in the Galaxy' icing-decorated on it. Hovering above the picnic area are balloons shaped like futuristic spacecraft: floating, bobbing, and seemingly engaged in a peaceful mid-air mimicry of battle, filling out this festive scene sans the guest of honor.

Generated with these themes: Star wars, and Border collies.

Made with ❤️ by AI.