megaseadramon, digimon (creature), sea serpent, sea monster, colossal serpent, yellow head, metallic scales, metallic horn, lightning-shaped horn, blue eyes, colored sclera, red sclera, red lips, sharp teeth, white teeth, pink tongue, green hair, long hair, strands like seaweed, elongated body, red back, white jaw, white belly, striped back, blue stripes, multiple fins, red and white fins, green tail, spiked tail, no humans, digimon (creature), horns, white background, open mouth, solo, tongue, sharp teeth, simple background, teeth