Alejandro Jiménez Cruz (born April 21, 1972) is a Mexican luchador, or professional wrestler best known under the ring name Dr. Cerebro (Spanish for "Doctor Brain"). He has been associated with the Mexican professional wrestling promotion International Wrestling Revolution Group (IWRG) since his debut in 1996 and has portrayed both a tecnico ("Good guy") and a Rudo ("bad guy") wrestling character. He is also a licensed Chiropractor.