List of Running Man cast members – Wikipedia

Members Relation Details Gary,
Song Ji-hyo Monday Couple (월요커플)[13] The former official loveline of the show, they showed interest in each other on Mondays, which was initially the day the show was filmed. The first mention of the term “Monday Couple” was in episode 12, although the relationship had been developing a few episodes prior. The relationship seemed one-sided until episode 16 when Ji-hyo told the cast that on Mondays she has a man, referring to Gary. Haha was in a love triangle with them in some of the earlier episodes. Later, the show was filmed on both Mondays and Tuesdays, leading to jokes about the couple not being in effect on Tuesdays. Gary,
Song Ji-hyo,
Haha Song Ji-Hyo and the Two Kids (송지효와 두 아이)

Love Triangle (삼각 관계)
[14] Ace and the Two Kids (에이스과두 아이)

At the beginning of Running Man history, there existed a love triangle between the Monday Couple and Haha. It has been shown in earlier episodes, like episodes 20 and 43 for example how Haha and Gary competed over Song Ji Hyo. During Song Ji-hyo’s week (episode 333), Haha even jokingly apologized for marrying his wife Byul and said that he could have won her love. Song Joong-ki,
Song Ji-hyo Song-Song Siblings (송송남매)[15] It first attracted attention from episode 15 when Song Joong-ki kissed Song Ji-hyo on the cheek. They later evolved into a siblings relationship as the Song-Song Siblings. Kim Jong-kook,
Gary,
Haha,
Lizzy Kim Jong-kook and the Two Kids (김종국과 아이 둘)[16]
Kim Jong-kook and the Three Kids (김종국과 세 자녀)
Chasing Team ( 추격 팀 ) A twist on the name of the former Korean band Seo Taiji and Boys (서태지와 아이들). In the earlier episodes, Gary and Haha were often found in the same team, and were usually under the control of the domineering Kim Jong-kook. Thus, they were often shown as being afraid of Kim Jong-kook. Lizzy later joined the team at episode 20 to form “Kim Jong-kook and the Three Kids”. These three were almost always chosen to be the chasing team. After the format changed, they often teamed up with guest, too. They were also often seen standing together during the opening. Lee Kwang-soo,
Song Joong-ki Same-Aged Friends (동갑내기)[17] Lee Kwang-soo claims to be close friends with Song Joong-ki as they are of the same age (both born in 1985), but Song Joong-ki would often deny their close friendship, leaving Kwang-soo appearing depressed. Song Joong-ki finally admitted to their close friendship in his final speech during the filming of his last episode (Episode 41). Gary,
Haha Ga-Ha Combination (가하 컴비)
Two Kids (아이둘)
Real Rivals (레알라이벌)
Squid and Octopus (오징어와 주꾸미) The rivalry between Gary and Haha had existed since way back and it got worse when they fought over Ji-hyo as they were involved in a love triangle but was just recently confirmed in episode 275 where they’d have been bickering a lot more than usual in the past few episodes. Ironically, they were often in the same team and have won in many occasions. Lee Kwang-soo,
Ji Suk-jin New Dumb and Dumber (신형 덤앤더머)
Easy Brothers (이지 브라더스)
Feel, Touch, Cross! (필촉 크로스)[18] The New Dumb and Dumber relation was first depicted in Episode 65 when they became a duo, acting similarly to the Dumb and Dumber couple of Family Outing. Later, they were known as the Easy Brothers when they were designated spies for Episode 68, and a clue was offered to the other members that threatened to reveal their identities. The clue was “Easy”, a combination of their surnames 이(Lee, pronounced ee) and 지(Ji). Whenever they pair up, they are also known for performing their “Feel, Touch, Cross!” (필, 촉, 크로스!) chant before each mission.[19] Kim Jong-kook,
Lee Kwang-soo,
Ji Suk-jin Serengeti (세렝게티)
Animal Kingdom (동물의 왕국)
Kook-Easy Brothers (국이지 브라더스) This group has a set of animal nicknames. Kim Jong-kook is the tiger, Ji Suk-jin is the Impala, and Lee Kwang-soo is the giraffe. When they are grouped, they always have an serengeti atmosphere as Kim Jong-kook says in Episode 87. Lee Kwang-soo,
Haha Betrayal Masters (배신 마스터)

Betrayal Brothers(배신 형제)
Tallest and Shortest (가장 높고 가장 짧은)
Tiger moth brothers (호랑이 나방 형제)

In Episode 99, the duo were given a spy mission to oust their kings respectively but they failed the mission. They are known as members with impressive cheating and betraying skills to the extent of betraying each other. They are also known as ‘Tiger Moth’ along with So-min because they are attracted to money just like how moths attracted to flames, even worse than other moths. Yoo Jae-suk,
Lee Kwang-soo Yoo-Lee Brothers (유이 브라더스)
Yoo-Lee, I miss you! (유이 보고 싶다)
Lee-Yoo (이유)[20]
Dumb and Dumber (덤앤더머)
The Unlucky Duo (꽝손 듀오) The duo was formed when Yoo Jae-suk and Lee Kwang-soo paired up in Episode 90 by combining both their surnames together, 유(Yoo) and 이(Lee, pronounced ee). Throughout Episode 90, Yoo Jae-suk and Lee Kwang-soo often does the “Yoo-Lee” cross. Often at which, Lee Kwang-soo would state that it sounds like the name of After School’s Uee, and would lead to the members claiming that they miss her. They finally met and teamed up team with Uee in episode 137, doing the “Yoo-Lee” cross. The name also pertains to IU, a popular Korean singer. Lee Kwang-soo,
Yoo Jae-suk,
Ji Suk-jin Jail Regulars Trio (감옥 단골 3인방)[20]
Lee-Yoo-Ji Brothers (이유지 브라더스)
The Unlucky Trio (꽝손 트리오)
The Unlucky Brothers (꽝손 브라더스) In earlier episodes, this trio was often eliminated the earliest during Bells Hide and Seek, and met each other at the jail. They are also known as Lee-Yoo-Ji, an evolved form of Easy Brothers. It was created when Ji Suk-jin was getting jealous of Lee Kwang-soo being close with Yoo Jae-suk, and calling themselves Lee-Yoo in Episode 81. Asking whether Lee Kwang-soo was with Easy or the new Lee-Yoo, Yoo Jae-suk replies “that is the reason” (“the reason” is “Lee-Yoo-Ji” in Korean), and Ji Suk-jin reluctantly joins them to become Lee-Yoo-Ji, in which their surnames being put together. Kim Jong-kook,
Lee Kwang-soo Commander Jong Kook and Disciple Soo

(능력자종국 과 그의조수)
Kook-Soo (국수)
Tiger and Giraffe (호랑이와 기린)[21]

Their relation was formed in Episode 82 when Lee Kwang-soo and Kim Jong-kook were paired in a team. Since Kim Jong-kook resembles a tiger and Lee Kwang-soo resembles a giraffe, their relationship is known as Tiger and Giraffe. This happened again in Episode 84 where Lee Kwang-soo and Kim Jong-kook were chosen by the opposing team to pair up together with paper handcuffs, leaving both of them stuck to each other for the rest of the episode. The two show a Tom and Jerry-esque relationship.[22] In later episodes, Jong-kook see Kwang-soo as his most loyal lackey. Haha,
Lee Kwang-soo,
Ji Suk-jin Betrayers Club (배신자 클럽)[23] After Haha and Lee Kwang-soo became betrayal masters, Ji Suk-jin was added and they became the Betrayal Team. They were known for their constant betrayals in missions. They could even betray each other, thus distrust always exist in the team. In Episode 146, there was an episode featuring them, where they were listed as the Betrayers Club who attempts to steal a treasure. Lee Kwang-soo,
Song Ji-hyo Mong-Kwang Siblings (멍광 남매) These two are often seen fighting with each other. The two show a Tom and Jerry-esque relationship. Although they often fight, they take care of each other just like close siblings similar to Yoo Jae-suk and Song Ji-hyo’s relationship. Song Ji-hyo had been asked which member she is most comfortable and close with in Running Man and she mentioned Lee Kwang-soo. Lee Kwang-soo,
Jeon So-min Kwang-Dol Siblings (광돌 남매)
Tiger Moth Siblings (호랑이 나방 형제)

Ever since her first appearance in the program, Jeon So-min has been showing same characters as Lee Kwang-soo. They have great chemistry and easily betray and cheat the other members and each other, even when being partnered together. They are also known as ‘Tiger Moth’ along with Haha because they are attracted to money just like how moths attracted to flames, even worse than other moths. Kim Jong-kook,
Haha,
Lee Kwang-soo,
Yang Se-chan Kim Jong-kook and His Three Lackeys (김종국과 삼 개의 협박) This group was formed after Yoo Jae-suk created it, due to the fact that the mentioned members were in one team. Kim Jong-kook was the leader and the three other members had to serve Jong-kook so that he wouldn’t pick one of the three lackeys to go to the dangerous attraction. The four members also often to have a special connection, which the other members of the show couldn’t understand. Yoo Jae-suk,
Ji Suk-jin,
Lee Kwang-soo,
Yang Se-chan Unlucky Ones (똥덩어리)
The Ugly Tribe (오징어족)
Unlucky Avengers (운이없는 복수 자)
The F4 (에서 F4) Before Yang Se-chan joined the show, Yoo Jae-suk, Ji Suk-jin, Haha and Lee Kwang-soo were known as the unlucky members. Yang Se-chan is deemed unlucky and has joined the unlucky trio replacing Haha to form a group called “Unlucky Ones.” They are also given the nickname “the ugly tribe” in Episode 346 when it was concluded that when the world comes to an end, the four males would be together. In episode 425, Yoo Jae-suk ironically called themselves F4, a reference to Boys Over Flowers where F4 was a group of 4 handsome flower boys. The F in their case could stand for the grade F instead of Flower. Yoo Jae-suk,
Haha,
Ji Suk-jin
Lee Kwang-soo,
Jeon So-min,
Yang Se-chan Moths (불나방)
The Six Fools In Episode 356, the members had to choose an exit to get a certain amount of money for the mission. Yoo Jae-suk, Ji Suk-jin, Haha, Lee Kwang-soo, Yang Se-chan and Jeon So-min kept on telling each other that they are going to Exit 8, hence dubbed as moths. Yoo Jae-suk,
Ji Suk-jin,
Lee Kwang-soo,
Jeon So-min Penalty Members (페널티 멤버)
Unlucky Team (불운 한 팀) These members have bad luck when it comes to punishment, they have been the ones punished in the punishments of Japan in the Global Race, Australia in the Half and Half Tour and England in the Family Package Project, they also have bad luck displacing other unfortunates like HaHa or Yang Se-chan in the punishments given in each episode. Yoo Jae-suk,
Ji Suk-jin,
Song Ji-hyo,
Lee Kwang-soo Mission Team (미션팀)

Teletubbies (텔레 토비)

On the starting of Running Man, they always split into mission and chasing teams. These four are always on the same team which is mission team whether it’s instruction, chosen or fate. If they are playing hide and seek, they always need to hide. After the format has changed, they often team up too with guest. They also often seen standing together during opening. Song Ji-hyo,
Haha,
Yang Se-chan,
Lee Kwang-Soo Source of Wangko’s Confidence (왕코 자신감의 근원 무신이 3총사)
Quiz Strangers (퀴즈 모르는 사람들) The team was formed in Ep 501 when they had The 1st Running Man Quiz Strongest Person War. Ji Suk-jin called out Yang Se-chan, Haha, and with Yoo Jae-suk’s help, Lee Kwang-soo, as the stupid trio because of their usual lacking performance during quiz segments. Haha, on the other hand, pointed Song Ji-hyo as their real captain. Despite Ji-hyo’s quick wit and strength, which earned her the name ‘Running Man’s Ace’, she is usually slow during quizzes. Haha,
Yang Se-chan,
Lee Kwang-Soo Jong-Kook’s Lackeys (종국의 하키)
The Suck-ups (업업) Because of Jong Kook’s dominance and power, these three often try to be on the same team as him, and they don’t mind acting as his servants. Also, in Chapter 504, when they made fun of the fact that they were his best friends, they say that they were the Suck-ups.