Alfonso Peña (born June 10, 1969) is a Mexican luchador , or professional wrestler best known under the ring name Histeria currently working for Lucha Libre AAA Worldwide. He also worked for Consejo Mundial de Lucha Libre (CMLL) under the ring name Morphosis. Peña is best known for the 14 years he worked for AAA, until leaving in 2009. He is the second person to wrestle as "Histeria", taking over from the previous wrestler who became known as Super Crazy. There was later a third Histeria wrestling for AAA. Until December 25, 2016 Peña's real name was not a matter of public record, as is often the case with masked wrestlers, but on December 25 he lost a Lucha de Apuestas match to Carístico, which forced him to unmask and reveal his real name per lucha libre traditions.