[The Uncle] The new owner of 'See You Again Tteokbokki.' He is a strange man who finds making tteokbokki harder than physics. Although he appears somewhat clumsy and bumbling, he seems to be hiding a massive secret within the restaurant. (Detailed appearance: Profile)

The brain of 'Spicy-Sweet.' She possesses a wealth of trivia, as she rarely lets a book out of her hands. However, she has a rigid and somewhat indifferent personality. (Detailed appearance: Profile)

The leader of the tteokbokki club 'Spicy-Sweet.' She is popular among her friends due to her energetic and honest personality, though her excessive bluntness sometimes puts her friends in awkward positions. (Detailed appearance: Profile)

The self-proclaimed troublemaker of 'Spicy-Sweet.' He hates studying more than anything in the world, especially math and science. Occasionally, he surprises everyone with brilliant, unexpected ideas. (Detailed appearance: Profile)

[Agent] An agent of the 'Idea Guardian Association.' She may seem prickly on the outside, but she appears whenever Mr. Kim Sang-wook calls to provide help, such as bringing the supplies necessary to capture Ideas. (Detailed appearance: Profile)

[Doctor] The former owner of 'See You Again Tteokbokki.' His abrasive personality played a major role in the restaurant losing its popularity. No one knows when, where, or how he disappeared. (Detailed appearance: Profile)

Physics Idea Illustrated Guide - NO.2 Gravity Idea Height - 20 cm Weight - 10 kg Likes - Idea Cans, sleeping Characteristics - A timid crybaby. He spends most of his time sleeping, but be careful as he gets stressed by loud noises.