RUNNINGMAN MEMBER BACKGROUND !

Name	Nickname(s)	Duration	Notes
Yoo Jae-suk	Yoo-ruce Willis (유르스 윌리스) Yoo Hyuk (유혁) Yoo-mes Bond (유임스 본드) Grasshopper (메뚜기) Cicadanem (매미넴) Ddakji King (딱지왕) Yoda (요다)	Episode 1 – present	The main host of the show, who is known for his escaping abilities and quick thinking during race missions. As a main host, he has been featured as a protagonist in many special episodes, which presented him with a nickname of Yoo-mes Bond. He is shown to have a close relationship with a lot of the guests on the show, which he often boasts about to the other members. He is also often referenced to the color green throughout the show and is also known for his nickname "Grasshopper" from his first television appearances. He started off as a weak player during the race missions, but later becomes one of the strongest players in the series, and is, along with Kim Jong-kook, considered to be one of the two main powers in the race missions. His theme songs are "Step by Step" by New Kids on the Block and "Extreme Ways" by Moby. His official colour is green.
Haha	Haroro (하로로) Roro (로로) Penguin (펭귄) Playboy (난봉꾼) Kid (꼬마) Schemer (모사꾼) Ha-Rad Pitt (하래드 피트) Octopus (주꾸미) Spaghetti (스파게티)	Episode 1 – present	The primary joker of the cast and is usually picked on by other members because of his height and his similar appearance to Pororo the Little Penguin. He also has a tendency to feel as though he is the main lead in a movie created by his imagination. When things don't go his way, he lashes out verbally, causing great laughter among the cast. He is also the playboy of the cast, as he always confesses his love to female guests. However, this ended when he became engaged to singer Byul, changing to a "married man" and becoming very rough to female guests. He was initially a weak player during the race missions, occasionally being picked on even while on the chasing team. However he has improved over the course of the show, highlighted when he won the Best of the Best Match two times, along with Gary who also held the same title. He was shown to be in a rivalry with Gary, before the latter left the show. His theme songs are "Perfect Love" by Lutricia McNeal and the theme song of Pororo the Little Penguin. His official colour is yellow.
Ji Suk-jin	Big Nose (왕코) Impala (임팔라) Race Starter (레이스 스타터) Yoo Jae Suk's Sunflower (유재석 의 해바라기) Celebrity Paparazzi (연예인파파라치) Suk-ja (석자) Ji-dolph (지돌프)	Episode 1 – present	The oldest member of the show and one of Yoo Jae-suk's closest friends, having known each other for more than 20 years. He is shown to be jealous of the good relationship between Yoo Jae-suk and Kim Jong-kook. Dubbed the "Race Starter" during the race missions, he is shown to be one of the weakest members and is the most frequently eliminated, so easily that the other members would declare that the race has officially started after his elimination. He is also the most gullible among the cast, as he get easily tricked, particularly towards business investments, though he is also sometimes portrayed to be smart, particularly towards Korean history. His theme song is "House You Live In" by Park Jin-young. His official colour is orange.
Kim Jong-kook	Sparta-kook (스파르타국) Commander (능력자) Kookie (꾹이) Tiger (호랑이) Coach Kook (꾹코치) Mr. Capable (능력 씨) Father-in-law (시아버지) Kook-minator (꾹네이터) Jong-sook (종숙)	Episode 1 – present	The strongest member of the cast, Kim Jong-kook is known for his strength and skill during the race missions. During the missions, he is known for his sudden appearances that are often accompanied by the soundbite "This is Sparta!" taken from the movie, 300. His smart tactics are often successful to eliminate the other members and as a result, he is known for having both brains and brawn. He is also shown at times to show off his aegyo. His only apparent weakness is women and he is often teased for having a particular fondness towards Yoon Eun-hye. His theme songs are "What We Need Is A Hero" by Alan Silvestri and his own song, "One Man". His official colour is red.
Lee Kwang-soo	Framer Kwang-soo (모함광수) Giraffe (기린) Giraffe's Tricks (꼼수 기린) Kwangvatar (광바타) Betrayer Kwang-soo (배신광수) Icon of Betrayal (배신의 아이콘) Icon of Bad Luck (불운의 아이콘) Prince of Asia (아시아 의 왕자) God of Variety (예능신) KwangToad (광두꺼비) Kwang-ja (광자) Lee Sa-rang (이사랑) Man who Easily Falls in Love (쉽게 사랑게 빠지는 남자/쉽.사.빠)	Episode 1 – present	The tallest member of the cast, initially introduced alongside Gary and Song Joong-ki as one of the "variety rookies" due to his lack of experience on variety shows prior to Running Man. During the earlier episodes, he was known for framing his fellow members with embarrassing and often absurd rumors. He is often picked on by the rest of the cast, particularly Kim Jong-kook, due to his timid nature. He is one of the weakest players, often the first to be eliminated during race missions. However, he has grown to easily betray his fellow members without hesitation. He is also known to be one of the most unluckiest member, having earned the worst results in nearly every luck-based missions. His theme song is "Saint Agnes and the Burning Train" by Sting. It was revealed that he is one of the most popular members and earned a great reputation in various regions of Asia through the series, which left the others in shock. His official colour is black.
Song Ji-hyo	Blank Ji (멍지) Ace (에이스) Bad/Gangster Ji-hyo (불량지효) Monday Girlfriend (월요여친) Song Ji-yok (송지욕) Beardy Ji-hyo (수염지효) Gold Ji-hyo (금지효) Goddess of Luck (행운의 여신) Goddess of Sleep (잠의 여신)	Episode 2 – 5 (guest) Episode 7 – present (regular)	The bravest and luckiest member of the show, who initially only appeared as a guest, but was added to the main cast in episode 6. During the earlier episodes, Song Ji-hyo was often known to swear during broadcasts especially towards Haha and Lee Kwang-soo. She is often seen with confused or blank facial expressions most of the time. Throughout the series, she has been involved in the official loveline of the show alongside Gary. She is one of the strongest players during race missions with similar running and catching capabilities as well as comparable intelligence to Yoo Jae-suk and Kim Jong-kook. Her theme song is the Angry Birds theme song. Her official colour is purple.
Yang Se-chan		Episode 321, 323 (guest) Episode 346 (regular)	One of the youngest members of the show, who initially appeared as a guest for a couple of episodes. He was officially added to the main cast since episode 346. His official colour is gray.
Jeon So-min		Episode 224, 343 (guest) Episode 346 (regular)	One of the youngest members of the show, who initially appeared as a guest for a couple of episodes. She was officially added to the main cast since episode 346. Her official colour is dark blue.

Former cast[edit]