Scorpion Geronimo is a fictional character from the Kamen Rider series, a long-running Japanese franchise known for its transforming heroes. Scorpion Geronimo is one of the antagonists in the series, often clashing with the protagonist Kamen Rider. Known for his strategic mind and ruthless nature, he is characterized by his scorpion-like abilities and distinctive armor. His role in the series is crucial as he serves as a major obstacle for the heroes, pushing them to their limits and often being involved in complex schemes to achieve his nefarious goals.