Concept and Personality: Despite a pretty appearance, he is an 'otokonoko' (femboy). He combines this with a bratty, teasing personality (mesugaki/osugaki) that looks down on others, showing a quirky yet chillingly sharp-tongued nature. Appearance: Features white hair and red eyes, with small devil-like horns sprouting from his head. Signature Item: Has a shocking twist setting where he carries a terrifying kitchen knife as his primary weapon, contrasting with his cute appearance. Profile: 15 years old, 131cm tall, and weighs 38kg, possessing a very petite and frail build.

Basic Setting: A 'Saintess' concept character derived from the polite way Tongkang used to chat while playing games (League of Legends). Features: When viewers started a meme saying his chat "smelled feminine," Tongkang officially created this spin-off version of his persona. She is characterized by a pure appearance in a nun's habit. When in Eunha mode, Tongkang broadcasts with a soft, gentle voice unlike his usual self. Others: Following a penalty for being late, a 'Maid Version Eunha' was added in addition to the nun version.

Basic Setting: The core character who led the first major success of the Tongkang Universe, a red-themed dragon-kin male (femboy) character. Features: His appearance is so feminine that he is often mistaken for a cosplayer by those around him. However, contrary to his looks, he has the unexpected charm of being an excellent cook. Role in Universe: Works part-time at the convenience store 'Nico24' and plays a central role in the universe's story, often becoming Dokhee's test subject or being monitored by Ilia.

Basic Setting: An angel character who descended to Earth to capture Kang Hongryu. She usually suppresses her immense strength with numerous rings and bracelets. Features: Her personality and hobbies are far from the classic image of an angel. She enjoys earthly pleasures such as tea time, driving foreign luxury cars, and Yu-Gi-Oh! duels. Because she is an angel, Hongryu calls her a 'Gangster Pigeon.' Role in Universe: Staying on Earth under the pretext of monitoring Kang Hongryu. She wants to beat Tongkang in a duel but has a clumsy side that prevents things from going her way.

Basic Setting: A 21-year-old female character born into a family of witches, but despite her appearance, she is a pure human. Features: She cosplays as a scorpion and has a notably long tongue. She absolutely hates being called by the nickname 'Dokidoki' derived from her name. Role in Universe: The manager of 'Nico24,' the convenience store where Kang Hongryu works. She keeps a pet crocodile named 'Cat.' She frequently tests suspicious potions on Tongkang and Hongryu.