Tomás Díaz Mendoza (born April 9, 1965), best known by hisring nameVillano IV (Spanish: "Villano Cuarto";English: "Villain the fourth"), is a former Mexicanluchador. He has wrestled forUniversal Wrestling Association (UWA),Lucha Libre AAA Worldwide (AAA) andWorld Championship Wrestling (WCW). The other sons ofRay Mendoza who have used the name "Villano" includeVillano I,Villano II,Villano III, andVillano V. He is the last surviving member of theVillanos siblings.^[4]

Díaz began wrestling in 1982, after being taught by his father and his older brotherArturo. He was not given the Villano name on his debut, both his father and his older brothers wanted him to get a college degree and also earn some in-ring experience before he would be allowed to use the Villano name.^[1][5] He spent the first couple of years in wrestling working as variousenmascarado characters such as Leopardo Negro III and Super Maquina Jr.^[1]

In 1983, Díaz was finally given the mask and the name of his brothers and became Villano IV.^[1] He immediately began teaming with his brothers, especially Villano I andVillano V, and engaged in a heated and very popular feud with the trios team ofLos Brazos (Brazo de Plata,Brazo de Oro andEl Brazo). On October 21, 1988, Villano I, IV, and V defeatedLos Brazos in aLucha de Apuesta, mask vs. mask match and thus unmaskedLos Brazos.^[6] Over the years, Villano IV and his brothers have worked forUniversal Wrestling Association (UWA),Lucha Libre AAA Worldwide (AAA) andConsejo Mundial de Lucha Libre (CMLL) and with shorter runs withInternational Wrestling Revolution Group (IWRG) andWorld Wrestling Association holdingtag team and Trios titles in all federations.^[7]

Villano IV and V began working forWorld Championship Wrestling (WCW) as part of the influx of luchadors in 1996. Villano IV made his debut at the 1996World War 3 event as part of theThree Ring, 60 man battle royal.^[8] Subsequently,Los Villanos worked mainly the weekend shows such asWCW World Wide andWCW Saturday Night.^[9] The brothers played the role of aheel and would occasionally cheat by switching places while the referee was distracted (allVillanos wore identical attire, aside from theirRoman numeral distinctions).Los Villanos made a couple of appearances on WCW's main shows and PPVs such as Villano IV teaming withKonnan andLa Parka to defeatJuventud Guerrera,Ciclope, andSuper Calo atSuperBrawl VII.^[10] They also worked an eight-man tag match atClash of the Champions XXXV, alongsidePsychosis andSilver King against Juventud Guerrera, Super Calo,Héctor Garza andLizmark Jr.^[11] Villano IV also wrestled in WCW, unmasked, under thering name "Ray Mendoza Jr."^[2] (in honor ofhis father), many years before his brotherVillano V began using the ring name in Mexico.

Following their stint in WCW,Los Villanos returned full-time to Mexico where they began working forConsejo Mundial de Lucha Libre (CMLL). Villano IV and V assisted their brother in the build-up of a storyline between Villano III andAtlantis, a storyline that reached back to 1999, while Villano IV and V were still working for WCW. The two brothers were in the corner of Villano III as he put his mask on the line against Atlantis in aLucha de Apuesta at the 2000Jucio Final final show. On the night Atlantis defeated and unmasked Villano III, the first Villano to be unmasked in the ring.^[12] Over the following years,Los Villanos worked both for CMLL and made appearances on theMexican Independent circuit. In 2008, Villano IV acted as the cornerman for his older brother Villano V as he began a feud with CMLLluchadorBlue Panther. Villano IV was the cornerman for V's biggestApuesta win as he defeated and unmaskedBlue Panther as part of theCMLL 75th Anniversary Show.^[13] He was also heavily involved in V's storyline withÚltimo Guerrero in the early 2009, and watched as Villano V was unmasked by Guerrero after anApuesta match at the 2009Homenaje a Dos Leyendas.^[14] While Villano V worked regularly for CMLL, both Villano III and Villano IV took more independent bookings. On March 12, 2013, AAA announced that Villano IV would be returning to the promotion five days later atRey de Reyes. This would mark his first appearance for AAA since 1996.^[15] On March 16, 2013, he teamed up with older brother Ray Mendoza Jr. to compete in aRuleta de la Muerte, losers advance tag team tournament to commemorate the retirement of Ray Mendoza Jr. The duo lost toMil Máscaras andEl Mesias in the first round and lost toEl Texano Jr. andSúper Nova in the second round, qualifying them for the finals where the losing team would be forced to either unmask (Villano IV) or have their hair shaved off (Mendoza Jr.). The team faced, and defeated, the team ofEl Hijo de Pirata Morgan andCassandro which meant El Hijo de Pirata Morgan had to unmask and reveal his birthname, Antheus Ortiz Chávez, while Cassandro had all his hair shaved off as is traditional withLuchas de Apuestas losses.^[16] The following day, Villano IV returned to AAA to take part in the2013 Rey de Reyes tournament. He was the last man eliminated byL. A. Park in his six-way semifinal match, which also includedChessman,Drago,Jack Evans, andPsicosis.^[17] On October 15, 2022, Villano IV lost a mask vs. mask match toPentagon Jr. atTriplemanía XXX, forcing him to unmask after nearly forty years.^[18] He retired a few months later in 2023.

Tomás Díaz Mendoza is the fifth son and eighth and last child overall ofJosé Díaz Velazquez and Guadalupe "Lupita" Mendoza. His brothers, like himself all becameluchadors: José de Jesús (Villano I), Alfredo (Villano II), Arturo (Villano III) and Raymundo (Villano V).^[1] His mother Lupita died in 1986, his second oldest brother Alfredo died in 1989, his oldest brother José de Jesús died in 2001, and his father José Diaz died on April 16, 2003.^[1] Díaz was adamant that his sons get a good education instead of becoming wrestlers, wishing that they become lawyers or doctors as he wanted to spare them the physical suffering he experienced himself. Once he realized that his two oldest sons had begun wrestling under masks he agreed to train them and help their wrestling careers. He was also instrumental in training his youngest two sons, although he insisted they both get college degrees before they were allowed to begin wrestling. Since Tomás finished his education first, he became known as "Villano IV", while Raymundo, the second youngest son, became "Villano V".^[1]

• Asistencia Asesoría y Administración / AAA
  • AAA Americas Trios Championship (2 times) – withVillano III andVillano V^[19]
  • Mexican National Atómicos Championship (1 time) – with Villano III, Villano V, andPierroth Jr.^[20]
• Consejo Mundial de Lucha Libre
  • Mexican National Trios Championship (1 time) – withDos Caras and Villano III^[21]
  • Torneo Gran Alternativa: (2003) – withAlan Stone^[22]
• International Wrestling Revolution Group
  • IWRG Intercontinental Heavyweight Championship (1 time)^[23]
  • IWRG Intercontinental Trios Championship (1 time) – with Villano III and Villano V^[23]
  • Rock y Lucha Championship (1 time)^[24]
• Pro Wrestling Illustrated
  • PWI ranked him #142 of the 500 best singles wrestlers of the PWI 500 in 2001.^[3]
• Universal Wrestling Association
  • UWA World Tag Team Championship (3 times) – with Villano V^[25]
  • UWA World Trios Championship (4 times) – with Villano I and Villano V (4)^[26]
  • Naucalpan Tag Team Championship (1 time) – withKuroneko
• Universal Wrestling Entertainment
  • UWE Tag Team Championship (1 time) – withRay Mendoza Jr.^[27]
• World Wrestling Association
  • WWA World Junior Light Heavyweight Championship (1 time)^[28]
  • WWA World Tag Team Championship (1 time) – with Villano V^[29]
  • WWA World Trios Championship (1 time) – with Villano III and Villano V^[30]
• Wrestling Observer Newsletter
  • Worst Match of the Year (2015)with Villano III and Villano V vs.Monster Clown,Murder Clown andPsycho Clown on August 9^[31]
  • Wrestling Observer Newsletter Hall of Fame (Class of 2022)

Wikimedia Commons has media related toVillano IV.

• Villano IV's profile atCagematch

• Living people
• Masked wrestlers
• Mexican male professional wrestlers
• Professional wrestlers from Tijuana
• 1965 births
• Mexican National Atómicos Champions
• Mexican National Trios Champions
• 20th-century male professional wrestlers
• 20th-century Mexican professional wrestlers
• 21st-century male professional wrestlers
• 21st-century Mexican professional wrestlers
• UWA World Trios Champions
• UWA World Tag Team Champions
• IWRG Intercontinental Heavyweight Champions
• IWRG Intercontinental Trios Champions

• CS1 Spanish-language sources (es)
• Articles with short description
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