An adventurous anthropomorphic jellyfish pirate with multiple luminescent heads, striking a confident pose in a detailed character portrait. The scene is backlit, with vibrant light rays filtering through the translucent jellyfish features. The design is a trending piece on ArtStation, featuring a playful cartoon style with a vector art aesthetic. The pirate sports a whimsical array of pirate attire, highlighting the fluidity and ethereal nature of a jellyfish, while incorporating distorted elements that emphasize its unique form. The closeup showcases intricate textures and lively expressions, creating an engaging and dynamic composition.