Eugenio Lucas Velázquez (1817–1870) was a Spanish Romantic painter known for his dark, imaginative compositions and dramatic use of light. Heavily influenced by Francisco Goya, Lucas Velázquez created works that blurred the lines between dream and nightmare, history and fantasy. Despite lacking formal academic training, he developed a distinctive style marked by loose brushwork, rich chiaroscuro, and a fascination with the grotesque. His paintings often featured fantastical scenes, religious imagery, and haunting figures, capturing the turbulent spirit of 19th-century Spain. Lucas Velázquez was particularly drawn to themes of mysticism and horror, echoing the political and social unrest of his time. Though he was well-regarded during his lifetime—receiving royal commissions and exhibiting at the National Exhibitions of Fine Arts—his legacy faded in the decades following his death. Today, art historians view him as a significant, though underappreciated, figure in Spanish Romanticism. His works are housed in major institutions, including the Prado Museum, where they continue to evoke fascination and scholarly interest.