Stephen Antonio "Steve" Cardenas (born May 29, 1974) is a American martial artist and former actor, perhaps most noted for playing Rocky DeSantos in the Mighty Morphin Power Rangers TV series.Cardenas was born at Langley Air Force Base, in Hampton, Virginia, but was raised in San Antonio, Texas. He is of half Mexican descent. He started training in martial arts when he was about 12 years old and reached black belt in tae kwon do at age 16. Steve Cardenas has been in martial arts for 28 years.