Retro Halloween Mascot Badge Posters

Generate an ornate vintage Halloween badge poster in one prompt. Swap in any spooky character — witch, mummy, bat, raven, skeleton — and get a perfectly on-brand result every time: scalloped frame, lavender oval portal, gold ring accent, halftone grain texture, plus matching jack-o'-lantern, star, and candy motifs. Locked hex color palette keeps every output visually consistent, ideal for sticker packs, stock series, or print. Portrait 4:5, built for ChatGPT Image / Nano Banana.