Context_1 : Angela Carolyn Fong (born February 3, 1985) is a Canadian professional wrestler, model, ring announcer, cheerleader for the CFL's BC Lions and actress best known for her time at World Wrestling Entertainment (WWE), known by her former ring names Miss Angela during her time at the developmental territory FCW and as Savannah who served as a ring announcer and backstage interviewer of WWE ECW and the official ring announcer for season one of WWE NXT. Context_2 : Jimmy Lennon Jr. (born August 5, 1958 in Santa Monica, California) is an American boxing ring announcer who is employed primarily by Showtime as ring announcer for its "Showtime Championship Boxing" events. Lennon was also employed by Fox Sports when the Fox network had rights to professional boxing and was the ring announcer for Don King Promotions' fights that aired on various networks (including HBO, although King has largely promoted fights for Showtime since 1991). He is best known for his catchphrase, "It's show time!" Context_3 : Ready to Rumble is a 2000 American buddy comedy film directed by Brian Robbins and written by Steven Brill, which is based on Turner Broadcasting's now defunct professional wrestling promotion, World Championship Wrestling (WCW). The movie draws its title from ring announcer Michael Buffer's catchphrase, "Let's get ready to rumble!" The movie features many wrestlers from WCW. Some countries such as Finland, Australia, and Japan were only able to see direct-to-video premiere releases of this film. Context_4 : Brandi Alexis Runnels (née Reed), known professionally as Brandi Rhodes, is an American professional wrestler, model, former ring announcer, news presenter and figure skater. She is known for her time in WWE under the ring name Eden Stiles, where she served as a ring announcer on "SmackDown", "Main Event", and pay-per-views, and also appeared as a backstage interviewer / backup ring announcer for "Raw". She has also worked for Total Nonstop Action Wrestling / Impact Wrestling. Context_5 : Michael Buffer (born November 2, 1944) is an American ring announcer for boxing and professional wrestling matches. He is known for his trademarked catchphrase, "Let's get ready to rumble!", and for pioneering a distinct announcing style in which he rolls certain letters and adds other inflections to a fighter's name. His half-brother is UFC announcer Bruce Buffer. Context_6 : Joe Antonacci (ring announcer) (born August 9, 1960, Ridgewood, New Jersey) is a noted boxing ring announcer and emcee famous for his televised boxing ring appearances in a tuxedo on ESPN's Friday Night Fights, NBC Sports Network, HBO, Showtime, and GoFightLive.TV. Nicknamed 'Generous Joe', he donates all of his ring earnings to assist injured and retired amateur and professional boxers in need, to overcome their disabilities incurred as a result of bouts in the ring, and to amateur boxing organizations. Antonacci also serves as a ring announcer for mixed martial arts fights. Context_7 : Amy Hayes (born November 24, 1973) is an American Ring Announcer and model. She is the first female ring announcer for the sport of boxing in the world. She is a regular on Fox Sports Net. and a former regular on ESPN2's Friday Night Fights, Amy has also announced on United States, ESPN, and Showtime. She has also been featured on Best Damn Sports Show Period. Her biggest breakthrough was becoming the exclusive Ring Announcer on Fox Sport's networks "Sunday Night Fights" series - under Promoter Dan Goossen, in 2001. Amy first broke the glass ceiling when she was asked to announce the very first episode of on Showtime. Both were the first for a female. Context_8 : Bruce Anthony Buffer (born May 21, 1957) is the official Octagon announcer for UFC events, introduced on broadcasts as the "Veteran Voice of the Octagon". He is the half brother of the boxing and professional wrestling ring announcer Michael Buffer, and is the President and CEO of their company, The Buffer Partnership. Both are grandsons of boxer Johnny Buff. Buffer holds a black belt in Tang Soo Do and has fought as a kickboxer. Context_9 : Gary Michael Cappetta (born December 12, 1952) is an American professional wrestling ring announcer, author, voice over artist, screenwriter, stage performer, and teacher. For years, he was dubbed "The World's Most Dangerous Announcer" by longtime friend and colleague Jim Cornette. Having spent more than 20 years in the middle of the pro wrestling ring he then wrote and self-published "Bodyslams: Memoirs of a Wrestling Pitchman". The autobiography was later re-released by "ECW Press" in 2006, this time adding chapters that covered 10 additional years of his wrestling experience. Cappetta was the ring announcer on World Wrestling Federation broadcasts from 1974 to 1985, followed by stints with the American Wrestling Association (AWA) and World Championship Wrestling shows. He was released from WCW in May 1995 due to budget cuts. Later on he worked backstage for Ring of Honor, doing backstage interviews for their DVD releases. He also was the ring announcer for the 2005 wrestling game . Context_10 : Joseann Alexie Offerman (born March 10, 1994) is an American ring announcer, valet, professional wrestler and singer. She is signed to WWE under the ring name JoJo as a ring announcer on the Raw brand. She was part of the E! Network reality television show "Total Divas" during the first season, which aired in 2013. fact_1 :  He is the half brother of the boxing and professional wrestling ring announcer Michael Buffer, and is the President and CEO of their company, The Buffer Partnership. fact_2 :  Both are grandsons of boxer Johnny Buff. fact_3 :  He is known for his trademarked catchphrase, "Let's get ready to rumble!" Answer: Johnny Buff
Output: Who was the grandfather of the official UFC announcer as well as the ring announcer who trademarked Lets get ready to rumble?