Pena, the guest of honour Saturday at Elvis' birthday party, cut into a 1.2-metre high cake fashioned to look like stacked television sets as fans cheered both the singer and the miner outside Elvis' longtime Memphis home.
Presley was born January 8, 1935, in Tupelo, Mississippi.
His birthday, while meaningful to Elvis fans around the world, does not attract the throngs of people who make the pilgrimage to Graceland to remember his death. He died August 16, 1977.
Pena has said that Presley's music helped him when he and 32 fellow miners were trapped underground last year.
