Peaceful Gary- Monday Boyfriend who is well known for his random chessy remarks for Jihyo. He is sweet, cute and charming although he is not the typical good looking guy. He has great personality and is a person who is sincere and bold when it comes to love.

Blank Jihyo- Monday Girlfriend who frequently dozed off during filmings. She is also known as The Ace in Running Man because of  her capability to manipulate other members and won several times in individual race. She is in a real relationship outside the show causing Monday Couple's fate to be at stake.