Question: Which WWF wrestler was the longest running Doink the Clown and was a second generation wrestler?

Context paragraphs:
Doink the Clown: Doink the Clown was the persona originated by professional wrestler Matt Osborne in the World Wrestling Federation (WWF) and used there from 1992 to 1997, and sporadically thereafter.  After Osborne left the WWF in late 1993, the character was played by five wrestlers in the WWF (later WWE).  Osborne continued to sporadically perform as Doink until six months before his death in June 2013.

Dalys la Caribeña: Dalys la Caribeña (born February 20, 1975 in Panama) is a Panamanian "luchadora", or female professional wrestler currently working for the Mexican professional wrestling promotion Consejo Mundial de Lucha Libre (CMLL) portraying a "tecnico" ("Good guy") wrestling character.  Her name appears in print as both Dalys, Dallys and Dalis but all refer to the same person.  Her name means Daly "The Caribbean".  She is a second generation wrestler, her father is a retired wrestler turned wrestling promoter in Panama, her brother wrestles in Mexico under the ring name Veneno and she is related through marriage to Negro Casas to the extended Casas wrestling family.

IWRG Junior de Juniors Championship: The IWRG Junior de Juniors Championship is a professional wrestling championship promoted by the Mexican Lucha Libre wrestling based promotion since February 2011.  The championship is only for second or third generation wrestlers, with IWRG also accepting storyline relationships like Hijo de Máscara Año 2000 who is not actually related to Máscara Año 2000 but is paying for the use of the name.  IWRG never revealed how Oficial Factor qualified as a second generation wrestler.  The current champion is Herodes Jr. who defeated El Hijo de Dos Carasto win the championship on February 26, 2017.  Being a professional wrestling championship, it is not won legitimately: it is instead won via a scripted ending to a match or awarded to a wrestler because of a storyline.

Villano III: Arturo Díaz Mendoza (born March 23, 1952) is a retired Mexican professional wrestler best known for performing under the stage name Villano III (in Spanish Villano Tercero).  Díaz is a second generation wrestler, son of "luchador" Ray Mendoza and the father of professional wrestlers Villano III Jr. and El Hijo de Villano III himself.  Five of the Díaz brothers all used the Villano name; José de Jesús (Villano I), José Alfredo (Villano II), Tomas (Villano IV) and Raymundo (Villano V).  Of the five Villano brothers Arturo is considered the most successful in terms of championship and "Lucha de Apuesta" (bet match) wins as well as the most talented luchador in the family.  He retired from wrestling in 2015 due to health issues stemming from wrestling.

Trauma I: Trauma I (born March 27, 1985) is a Mexican "luchador enmascarado", or masked professional wrestler, working on the Mexican independent circuit and as a freelance wrestler for promotions such as International Wrestling Revolution Group (IWRG), portraying a "tecnico" ("Good guy") wrestling character.  Trauma I's real name is not a matter of public record, as is often the case with masked wrestlers in Mexico where their private lives are kept a secret from the wrestling fans.  Trauma I is a second generation wrestler, the son of Miguel Calderón Navarro, better known under his ring name Negro Navarro.  He is the younger brother of Trauma II, who he regularly teams up with under the name "Los Traumas".  Trauma I is a freelance wrestler and thus is not exclusively working for one specific professional wrestling promotion but has worked for a large number of Mexican wrestling promotions including working matches on shows promoted by the largest Mexican based promotions such as Lucha Libre AAA World Wide (AAA), Consejo Mundial de Lucha Libre (CMLL), and International Wrestling Revolution Group (IWRG).

Bruce Hart (wrestler): Bruce Ambrose Edwardious Hart Sr., possibly Bruce Dennis Luis Hart Sr. (born January 13, 1950) is a Canadian-American retired professional wrestler, promoter, booker, trainer and school teacher.  He is second generation wrestler and a member of the Hart wrestling family, being the second child of Stu and Helen Hart.  He is best known for his time in Stampede Wrestling and several appearances for WWE, often with his brothers Bret and Owen.

Claude Giroux (wrestler): Claude Giroux (born July 13, 1956) is a Canadian-born midget wrestler whose career spans over 20 years.  He is still active in the Canadian Independent circuit.  Giroux's biggest exposure came when he performed as Doink the Clown's sidekick Dink in the World Wrestling Federation between 1993 and 1995.  Outside of his stint as Dink the Clown, Giroux also performed in the WWF as Tiger Jackson in the 1980s and as The Macho Midget in the 1990s.

Trauma II: Trauma II (born December 12, 1982 in Mexico City, Mexico) is a Mexican "luchador enmascarado", or masked professional wrestler working on the Mexican independent circuit and as a freelance wrestler for promotions such as International Wrestling Revolution Group (IWRG), portraying a "tecnico" ("Good guy") wrestling character.  Trauma II's real name is not a matter of public record, as is often the case with masked wrestlers in Mexico where their private lives are kept a secret from the wrestling fans.  Trauma II is a second generation wrestler, the son of Miguel Calderón Navarro, better known under his ring name Negro Navarro.  He is the older brother of Trauma I, who he regularly teams up with under the name "Los Traumas".

Ayako Hamada: Ayako Valentina Hamada Villarreal (浜田 文子 , Hamada Ayako ) (born February 14, 1981) is a Japanese-Mexican female professional wrestler, who has wrestled for Consejo Mundial de Lucha Libre (CMLL), Total Nonstop Action Wrestling (TNA), Shimmer Women Athletes (Shimmer), and is currently wrestling for Pro Wrestling Wave in Japan and Lucha Libre AAA Worldwide in Mexico.  She is a second generation wrestler; her father is Gran Hamada.  Her older sister Xóchitl Hamada is also a professional wrestler.

Matt Osborne: Matthew Wade Osborne (July 27, 1957 – June 28, 2013) was an American professional wrestler.  Osborne was a second generation wrestler, the son of Tony Borne, and is best known as being the first and longest-running wrestler to portray the character of Doink the Clown.

Supporting paragraphs: Doink the Clown Matt Osborne
Answer: Matt Osborne