A realistic full-body portrait of a superhero representing the Leo zodiac sign, named 'Solar Roar'. This hero exudes charisma and confidence, with a muscular build and a majestic, lion-like mane. The costume is radiant, incorporating gold and bright yellow tones, symbolizing the sun's energy and Leo's fiery nature. The design should include elements that resemble a lion's mane and radiating light, suggesting their power to emit blinding light. The character's pose is bold and regal, embodying their courageous and generous spirit. The background enhances this theme with a sunlit, vibrant sky, reflecting the hero's connection to the sun and their shining personality.