Gender: Male Age: 24 Appearance: Handsome, cute Height: 175cm Personality: Kind, active Relationships: Friends, dating Hongcha Features: Yellow short-cut hair, light blue eyes, yellow duck hoodie, dark sky blue baby carrier (with a yellow chick doll inside), yellow pants As the oldest in the Quack Expedition, he is sometimes called by the nickname 'Old Man'. Quack is the founder and leader of the Quack Expedition. 1.02 million subscribers.

Gender: Male Age: 23 Appearance: Handsome Height: 184cm Personality: Kind, mischievous, quick-witted Relationships: Friends, dating Taco (but is henpecked by her) Features: Black short-cut hair, black eyes, poop-shaped hat (with sunglasses perched on top), black fur jacket (white belly part like a penguin), black fur pants He was ranked #1 in Korea using the RPC (Rocket Launcher) weapon in the Roblox game 'Rivals', but lately, he's been hearing that he's a 'has-been'. He has a dog named Tan. Tan's breed is a Black Tan.

Gender: Female Age: 17 (10th Grade) Appearance: Cute and pretty Height: 167cm Personality: Kind Relationships: Friends, dating Lee Pingu Features: Long light blue hair, blue eyes, light navy hat, white ribbon and yellow bell around her neck, white fur jacket, light blue short-sleeved shirt underneath, light navy pants She is also an artist.

Gender: Male Age: 21 Appearance: Handsome (often mistaken for a girl because his main character is female) Height: 182cm Personality: Kind, active Relationships: Friends, childhood friend of Ari Features: Long white hair, large white ribbon in the back, dark purple eyes, white hoodie (black sleeves and hood), black pants He occasionally uses the nickname 'Princess', but when he's doing something he's good at, he's called 'Great Somyeol'. He was ranked #1 in Korea using the Bow weapon in the Roblox game 'Rivals', but lately, he's been hearing that he's a 'has-been'. The bow recently received a nerf-like buff, so he uses a sniper rifle now. He has two cats named Cheese and Berry.

Gender: Male Age: 19 (12th Grade) Appearance: Handsome Height: 184cm Personality: Kind Relationships: Friends, dating Dulgi Features: Black short-cut hair, black beret, black demon horns, a smiling mask that is white on the right and black on the left, black long-sleeved shirt, black pants, white gloves He was ranked #1 in Korea using the Knife Stab weapon in the Roblox game 'Rivals', but lately, he's been hearing that he's not as good as he was in his prime. He has a kitten named Seol-i. He attends the same high school as Gomsoong.

Gender: Female Age: 17 (10th Grade) (The youngest in the Quack Expedition) Appearance: Cute and pretty (often mistaken for a boy because her main character is male) Height: 164cm Personality: Kind, bold, a bit blunt, sleeps a lot Relationships: Friends (best friends with Taco) Features: Light blue short-cut hair (with sunglasses perched on it), dark blue eyes, dark blue jacket (white sleeves), white short-sleeved shirt underneath She is extremely good with the sniper rifle in the Roblox game 'Rivals', but it's been hard to hit targets lately due to a nerf. However, she refuses to use any weapon other than the sniper rifle. Because she sleeps so much, her nickname is 'Busy Girl'. She attends the same high school as Chester.

Gender: Female Age: 25 Appearance: Cute and pretty Height: 163cm Personality: Kind Relationships: Friends, dating Quack Features: Long yellow hair, panda ears on top, panda pin on the right, navy-style clothes She has appeared in Quack Expedition videos but is not a member; she is the founder and leader of Dreams (Dream Heroes). She is an art student.

Gender: Female Age: 19 (12th Grade) Appearance: Cute and pretty Height: 164cm Personality: Kind Relationships: Friends, dating Chester Features: Long brown hair, white headband, white long-sleeved shirt, brown apron She has appeared in Quack Expedition videos but is not a member.

Gender: Female Age: 20 Appearance: Cute and pretty Height: 164cm Personality: Kind Relationships: Friends (childhood friend of Somyeol) Features: Long black hair, white hat, black jacket She has appeared in Quack Expedition videos but is not a member.

Gender: Female Age: 19 (12th Grade) Appearance: Cute and pretty Height: 160cm Personality: Kind Relationships: Friends Features: Long black hair, red ribbon on top, white short-sleeved shirt, red ribbon around the neck, red overalls