Robert James Marella (June 4, 1937 – October 6, 1999), better known by his ring name of Gorilla Monsoon, was an American professional wrestler, play-by-play commentator, and booker. In professional wrestling, the staging area just behind the entrance curtain at an event, a position which Marella established and where he could often be found during WWF shows late in his career, is named the "Gorilla Position" in his honor.

Marella attended Jefferson High School in Rochester, New York, becoming a standout athlete in football, amateur wrestling, and track and field. At the time, he weighed over 300 pounds (136 kg) and was affectionately called "Tiny" by his teammates. Marella was also a standout athlete after high school at Ithaca College in Ithaca, New York. He continued to wrestle, now weighing over 350 pounds, and took second in the 1959 NCAA Wrestling Championships.

Marella's size and athletic ability attracted the attention of New York promoter Pedro Martinez, and he went to wrestle for Martinez after graduating from Ithaca in 1959. Gorilla was 6'5" and weighed around 330 pounds when he first started wrestling professionally. By the end of his career, he was up around 375 pounds, although he had weighed as much as 440 pounds at points.

In 1963, Vincent J. McMahon reformed the Capitol Wrestling Corporation into the World Wide Wrestling Federation (WWWF) (currently known as World Wrestling Entertainment), breaking his territory away from the National Wrestling Alliance in an attempt to create a new national powerhouse. At the time, the WWWF was the dominant wrestling promotion in the Northeast U.S.. Marella formed a friendship with McMahon, and became a 1/6 shareholder in the WWWF, controlling bookings in several WWWF territories. He also became one of the promotion's top heels, feuding with popular babyface champion Bruno Sammartino in sellout arenas across the country. Despite his huge size, then in excess of 400 pounds, Monsoon had great agility and stamina, often wrestling Sammartino to one-hour time-limit draws.

Monsoon first wrestled Bruno Sammartino for the WWWF World Championship on October 4, 1963, at Roosevelt Stadium, in Jersey City, New Jersey
Monsoon's disqualification win over Sammartino in NJ triggered a series of rematches at Madison Square Garden, and they would renew the feud again there in 1967. At the end of the Jersey City match, as Monsoon was sitting on the mat, a fan (not part of the show) jumped into the ring and broke the back of a wooden chair over Monsoon's head.

Monsoon teamed up with Killer Kowalski with success. In November 1963, they defeated Skull Murphy and Brute Bernard to win the U.S. Tag Team Championship. The following month, the duo lost the belts to the Tolos Brothers (Chris and John) in Teaneck, New Jersey. Monsoon and Kowalski reunited in the late 1960s to defeat champion Bruno Sammartino and Victor Rivera 2 falls to 1 in Madison Square Garden in a main event, marking the first, and possibly only, time that Sammartino & Rivera lost as a tag team.

In 1969, Monsoon became a babyface, befriending his former arch-rival when Sammartino rescued him from an attack by "Crazy" Luke Graham, a former tag team partner of Monsoon. The stage was set for Monsoon to become a fan favorite of the 1970s and feud with top heels of the decade, including champion Superstar Billy Graham; he then began to speak English. He turned heel for a short time in 1977 and feuded with André the Giant, and the two engaged in a special boxing match in Puerto Rico (where Monsoon owned stock in the territory), with André winning the match.

On June 1, 1976, a famous incident occurred in Philadelphia involving boxing great Muhammad Ali during a taping for the syndicated WWWF TV show. Ali, preparing for his upcoming crossover bout with Antonio Inoki in Japan later that month, jumped into the ring as Monsoon (who rarely appeared as a wrestler on their TV shows) was concluding a short match against Baron Mikel Scicluna. Ali removed his shirt and started dancing around Monsoon while gesturing and throwing jabs at him, to which Monsoon responded by grabbing Ali in his Airplane Spin and slamming him to the mat. Marella would never reveal whether the incident was preplanned. In an interview, he commented, "I never saw him before and haven't seen him since."

A kind of torch bearer of the Vincent J. McMahon-era WWWF, Gorilla Monsoon was rabidly supported by New York audiences. On June 16, 1980, a young and up-and-coming Hulk Hogan was booked to face him at Madison Square Garden. At the time, Hogan was a widely followed heel character, while Monsoon was still a babyface. However, in order to push the new talent, McMahon told Hulk Hogan to beat Monsoon in under a minute. Upon that outcome, the crowd became livid and chased Hogan when he was leaving the arena, turning over his car. Policemen on horses had to be summoned to quiet the mob.

As the 1980s began, Marella's in-ring career wound down. On August 23, Monsoon put his career on the line in a match against Ken Patera. Monsoon lost and only wrestled a few more matches, retiring several weeks later.

In the early 1980s, Vincent J. McMahon's son, Vincent K. McMahon, began assuming the reins of the promotion from his father. The elder McMahon asked his son to take care of long-time employees who had been loyal to him. The younger McMahon agreed, and in 1982, Vince bought Marella's shares in the company in exchange for a guarantee of lifetime employment. As he had been to his father, Marella became a close confidant of the younger McMahon, and assumed a prominent backstage role within the then WWF. Marella would then become an announcer for the WWF starting in 1982. In addition, McMahon needed a new commentary team to head up his television programming, and installed Marella with the recently retired Jesse "The Body" Ventura in 1985.

Marella and Ventura had great chemistry, with Ventura as the pro-heel color commentator and Marella as the pro-face "voice of reason". Marella and Ventura called five of the first six WrestleManias together (the notable exception was WrestleMania 2, where Marella commentated on the Chicago portion of the event with Gene Okerlund, Cathy Lee Crosby and Ernie "The Cat" Ladd while Ventura commentated on the Los Angeles portion with Lord Alfred Hayes and Elvira, Mistress of the Dark).

The Ventura/Monsoon duo of heel and babyface were the original broadcast duo, setting the standard which all who followed would attempt to emulate, especially Ventura's charismatic pro-heel character which was a first of its kind as previous wrestling commentators had almost always been in favor of the fan favorites. The pair commentated on all the WWF pay-per-views together with the exception of the first two SummerSlams and the 1990 Royal Rumble (at SummerSlam 1988 Ventura was the guest referee for the main event so Monsoon commentated with "Superstar" Billy Graham, while Ventura was paired with Tony Schiavone at both SummerSlam 1989 and the Royal Rumble). When Ventura left the WWF in mid-1990, he was replaced in commentary by Monsoon's Prime Time Wrestling co-host, heel manager Bobby "The Brain" Heenan, another duo that subsequent wrestling commentary teams have often tried to emulate. Though the pair were frequently at odds on screen — with Monsoon regularly yelling, "Will you stop?" in response to Heenan's denigration of fan-favorite wrestlers — in real life they formed a close friendship that Heenan often recalled fondly.

Monsoon called the first eight WrestleManias from 1985 to 1992. Monsoon was the lead commentator on the syndicated show, WWF All Star Wrestling, its successor WWF Wrestling Challenge, and the USA Network weekend show, WWF All American Wrestling, as well as hosting the WWF weeknight show, Prime Time Wrestling. Monsoon also served as co-host of Georgia Championship Wrestling on WTBS during McMahon's short-lived ownership of the promotion.

Marella stepped down as the WWF's lead commentator at WrestleMania IX (where he was Master of Ceremonies) to make way for WCW recruit Jim Ross. He was phased out of Wrestling Challenge with Bobby Heenan and was moved to All-American Wrestling with Lord Alfred Hayes on April 11, 1993. He commentated with Jim Ross on WWF Radio for the broadcasts of SummerSlam 1993, Survivor Series 1993 and Royal Rumble 1994. He returned to the television broadcast team to call the King Of The Ring 1994 with Randy Savage as well as covering a few episodes of Monday Night RAW in 1993 and 1994 whenever Vince McMahon was unavailable. He was also called upon sporadically to return to Challenge from 1993 to 1995, calling action with Stan Lane, Ted DiBiase, and Ross again. Monsoon also did various work for Coliseum Video. Marella's last pay-per-view commentary was for the 1994 Survivor Series, with Vince McMahon on play-by-play. Marella remained in his backstage role and appeared on-air frequently, becoming the storyline WWF President in the summer of 1995 (replacing Jack Tunney). The WWF President's role was to arbitrate disputes between wrestlers and make matches, similar to later WWE "general managers".

He was inducted into the WWF Hall of Fame in 1994.

In January 1996, Monsoon was attacked and (kayfabe) severely injured by Vader: Roddy Piper became interim WWF President until WrestleMania XII, when Marella assumed the position again. Health concerns forced him to relinquish this role during the summer of 1997. Instead of naming a replacement, the WWF decided to retire the role of "President" and introduced Sgt. Slaughter as the new WWF Commissioner in August 1997. Marella's health deteriorated from there. In late 1998, Marella returned briefly to call the international version of WWF Superstars. In 1999, Marella appeared in a WWF Attitude commercial featuring Freddie Blassie, Ernie Ladd, Pat Patterson and Killer Kowalski. He appeared as one of the three judges for a Brawl for All contest between Bart Gunn and Butterbean at WrestleMania XV. Because of his frail appearance and rapidly declining health, the camera only focused on Monsoon during his introduction as a judge, for which he received a standing ovation. His final occasion on television with WWF would be as a guest commentator on the August 29, 1999 international version of Superstars.

On July 4, 1994, his son, Joey Marella, fell asleep at the wheel and died in a car accident on the New Jersey Turnpike, while returning from refereeing a WWF event in Ocean City, Maryland. He was not wearing a seatbelt at the time of the crash.

In early 1994, Marella co-hosted the short-lived morning variety/game show Bingo Break on WBFF in Baltimore, Maryland, which also featured fellow WWF on-air personality Sean Mooney as the bingo caller. The program did not acknowledge Marella's wrestling career, and as such he was billed on-camera as Bob Marella rather than as Gorilla Monsoon.

Marella died on October 6, 1999, of heart failure brought on by complications of diabetes, at his home in Willingboro Township, New Jersey. He was 62 years old.

Heenan consistently named Monsoon as his favorite announcing partner. In contemplating his "Mount Rushmore of wrestling announcers", veteran commentator Jim Ross stated, "Gordon Solie, Bob Caudle, Lance Russell, Gorilla Monsoon would be four off the top of my head that I would put on there."

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