Erick Francisco Casas Ruiz

is a Mexican professional wrestler currently working under the ring name Heavy Metal for AAA. He is the son of referee Pepe Casas and part of the Casas wrestling family; the brother of Negro Casas and Felino Heavy Metal and his brothers including Negro Casas and El Felino went to International Wrestling Revolution Group (IWRG) in 2005. The duo teamed and was able to capture the IWRG Intercontinental Trios Champion by defeating Black Tiger, Pantera II, Pentagon Black. The team lost the titles to Scorpio, Jr., Veneno, and Cerebro Negro in early 2006. Heavy Metal defeated Scorpio, Jr. for the IWRG Intercontinental Heavyweight Champion in 2005 but later lost back to him in late 2005.

Return to Consejo Mundial de Lucha Libre

Erick Casas return to CMLL in 2005. Erick Casas remained under his Heavy Metal gimmick even though he had never been Heavy Metal in CMLL in the past. Heavy Metal participated in the Leyenda de Azul tournament in 2005. In the Leyenda de Azul first round he lost to Rey Bucanero. In the Torneo Gran Alternativa 2006, Heavy Metal was a veteran; teaming with El Texano, Jr. In the quarter final, the duo lost to Loco Max and Rey Bucanero. Heavy Metal participated in the Leyenda de Azul 2006. In the First Round, he lost to Black Warrior. In 2007, Heavy Metal teamed with Super Nova for the Torneo Gran Alternativa. In the first round, the team lost to the winners of that night La Sombra and Místico. In 2008, Heavy Metal lost his hair to Toscano in a Lucha de Apuesta. This was the first time Heavy Metal has lost in a Lucha de Apuesta match as Heavy Metal.

Return to AAA

At AAA's show in Mexico City, an event competing directly against CMLL's major event Homenaje a Dos Leyendas, Heavy Metal made surprising return to AAA, attacking Konnan and joining forces with Cibernético in his fight against Konnan's La Legión Extranjera faction After a four-month break due to an injury, Heavy Metal returned to AAA on February 4, 2011, and entered a Best of Five Hair vs. Hair series with Electroshock, with whom he had feuded prior to his injury.The fifth match of the series, a Two Out of Three Falls Bull Terrier match, took place on March 18 at Rey de Reyes and ended with Heavy Metal defeating Electroshock, after a guitar shot, for his hair.After the match both Heavy Metal and Electroshock were attacked by members of La Sociedad, bringing the former rivals together to fight a common enemyOn June 18 at Triplemanía XIX, Electroshock, Heavy Metal and Joe Líder defeated Silver King, Último Gladiador and Chessman in a Tables, Ladders and Chairs match.On March 31, 2013 Heavy Metal teamed up with Danny Casas to represent the Casas family in IWRG's La Guerra de Familias ("War of the Families") tournament. The team lost to Los Junior Dinamitas (Cien Caras, Jr. and Hijo de Máscara Año 2000) in the first round.On June 16 at Triplemanía XXI, Heavy Metal defeated Chessman to become the number one contender to the AAA Mega Championship. He received his title shot later that same event, but was defeated by the defending champion, El Texano, Jr