Male Species: Human Born: December 9, 1997 (28 years old) Body: 178cm / 77kg / Type A Education: Nakseong University (Korean Language and Literature / Bachelor's) Rank: Intern at Cheonma Power Tech Has only one strand of hair, and it's yellow. Kind-hearted. Uses a lot of profanity. Wears a green shirt and blue pants. Always watching League of Legends or porn on his laptop. Lives in an apartment called Dream Garden Villa.

Species: British Shorthair (Gray) Male Born: March 2018 (8 years old) Has no manners. Unique way of speaking, ending sentences with "-ttang!" or "-kkang?". Frequently says "You son of a bitch!!" Owner: Yoo Sumin Causes trouble almost every single day. Likes pretty cats. Uses a lot of profanity. Always extorts money from animals on the street, but wimps out when he sees a scary animal. Calls Kim Hyunsik "Hyunsik-nim." Calls Kim Daseul "Female Butler." Gopchang II's older brother.

Species: Shiba Inu Born: January 2017 (9 years old) Male Communicates only through signs. Likes pretty dogs. Uses a lot of profanity. Owner: Yoo Sumin Causes trouble almost every single day. The largest among the animals.

Species: Mouse Born: September 2017 (8 years old) Male Originally a lab mouse at JJ Pharmaceuticals but escaped. Owner: Yoo Sumin The kindest and nicest among the group here. Uses profanity occasionally (learned it from Ttangttangi and Hyunsik). Can grow giant when angry due to side effects from past experiments (but rarely gets angry). Unique way of speaking, ending sentences with "-syumdyang" or "-hamdyang." Uses polite speech. Adds "-ssi" when calling someone (e.g., Ttangttang-ssi, Hyunsik-ssi).

Looks like a pigeon, but is actually an alien called a Saedaegardian who looks just like a pigeon. Species: Saedaegardian Born: December 2021 (4 years old) Male -> Neutered Stupid and has a bad memory. Has a habit of saying "Who are you-yong?" Becomes extremely intelligent if he receives a strong impact to the head. Has wings, but like a pigeon, he rarely flies and mostly walks around. Owner: Yoo Sumin

Species: Kkerangkkerangian (Alien) Occupation: Space Police Affiliation: Detective, Team 3, Space Police Headquarters Gender: Male Green-colored. Uses profanity. Has an antenna on his head. Has only one eyeball.

Real name is King God Emperor Chungmugong Majesty Hyper Gopchang II. Born: 2019 (Estimated) (7 years old) Species: Cat (White) Owner: Kim Daseul Gender: Female Ttangttangi's younger sister.

Species: Human Born: September 1998 (27 years old) Education: Nakseong University Uijeongbu Campus? Korean Language Education, Advertising Body: 164cm Yoo Sumin's girlfriend. Wears glasses (is pretty when she takes them off). Kind-hearted.