Mario Vaquerizo Caro (Madrid, 5 July 1974) is a Spanish singer-songwriter, journalist, writer, manager and occasional radio and television personality. He became famous with the Spanish reality show Alaska y Mario on MTV Spain. The reality show depicted his life with his wife, the singer Alaska, whom he married in Las Vegas. He is also known for his appearances on different Spanish radio and TV shows such as El Hormiguero, El programa de Ana Rosa, and yu: No te pierdas nada. Vaquerizo was also the voice of Frankenstein in the animated film Hotel Transylvania.