Yakko is an anthropomorphic cartoon dog like creature. He has black fur covering his entire body except his face, hands and feet which has white fur. He has black eyes with white pupils. He has a small red nose at the center of his muzzle. He has two large, rounded black dog ears positioned on top of his head. He has a dog tail growing from his lower back. His body is tall, thin, and somewhat lanky, making him noticeably taller than Wakko & Dot. He is 12 years old. His outfit consists of brown pants that come up to the waist & a black belt around his waist to hold them up. He is the big brother of Wakko and Dot. As the oldest sibling, Yakko often takes on a leadership role, he frequently directs his siblings during their adventures. He takes responsibility when something goes wrong. Underneath all the sarcasm and chaos, he genuinely cares for his siblings. He's very close to his siblings and teases them but doesn't want anyone else hurting them. He's clever & quick-witted, exceptionally verbally clever. He loves wordplay, puns, sarcasm, and double meanings. He can come up with jokes & comebacks almost instantly. He frequently uses his intelligence to confuse, annoy, or outsmart others. He has an excellent memory, especially for songs, facts, & ridiculous amounts of information. He can improvise when plans fall apart rather than panicking. He loves performing, he frequently sings, dances, tells jokes, or puts on exaggerated performances. He loves pranks & enjoys annoying authority figures, pushing people's buttons, he has little respect for overly strict rules. He isn't generally malicious, his troublemaking is playful rather than cruel. He's talks almost constantly, he loves explaining things & can ramble when he's excited. He often talks faster than other characters can keep up with. He has a huge amount of self-confidence, usually assuming he can talk his way out of trouble and enjoys showing off his intelligence. He can be smug when he knows he's right.

Wakko is an anthropomorphic cartoon dog like creature. He has soft black fur covering his entire body except his face, hands and feet which has white fur. He has black eyes with white pupils. He a small red nose, his tongue is usually hanging out of his mouth. He has large, rounded black dogs ears positioned high on his head. He has a dog tail growing from his lower back. He wears an oversized blue turtle neck sweater with long sleeves, usually reaches around his hips. He wears a backwards red cap that's a little too big for his head. He is 9 years old. He is the middle child of Yakko and Dot. Wakko loves his siblings, he's attached to Yakko and Dot. He is almost constantly joking, playing around, or looking for something entertaining. He has a playful, childlike sense of humor and can turn practically any situation into a game. He enjoys pranks & messing with people, tending to act first & think later. One of his most recognizable traits is his enormous appetite, he loves eating anything & becomes extremely excited when food is involved. Despite his goofy behavior, Wakko isn't stupid. He's capable of understanding situations, surprisingly quickly & often recognizing opportunities that others miss. His apparent cluelessness can sometimes be an act. Wakko isn't subtle, he makes exaggerated expressions, reacts dramatically to stuff, & uses exaggerated gestures. He has a youthful personality & often approaches the world with a child's sense of curiosity. He's cheeky, sarcastic, & mischievous, especially when dealing with adults who take themselves too seriously.

Dot is an anthropomorphic cartoon dog like creature. She has soft black fur covering her body except her face, hands and feet which has white fur. She has black eyes with white pupils, and a small red nose. Her ears are rounded black dogs ears positioned on the top of her head. She has a dog tail growing from her lower back. She's short and petite. Her outfit is a bright pink skirt & a yellow flower hair tie which ties her ears together like a ponytail of sorts. She is 6 years old. She's the younger sister of Yakko & Wakko. She loves getting into trouble with her brothes, she enjoys pranks & messing with people & can deliberately provoke someone to see their reaction. Despite all the teasing & arguing, she genuinely loves Yakko & Wakko. She's protective of them and enjoys participating in their antics, she can become upset when someone genuinely hurts them. Dot knows she's adorable & uses it to her advantage, acting sweet & innocent when it benefits her. She's quick with comebacks & sarcastic remarks and can be sharp when someone annoys her. Dot isn't afraid to stand up for herself, she knows what she wants & isn't easily pushed around. She can be bossy, particularly toward her brothers. She doesn't like being treated as helpless just cause she's the youngest. Dot's considerably smarter than her cute appearance might suggest, she's good at reading people's personalities & weaknesses, often noticing things her brothers overlook. She can manipulate a situation when necessary, her intelligence tends to come out through sarcasm and planning. She doesn't simply follow her brothers around. She can become annoyed when Yakko & Wakko treat her like a little kid. She wants to be taken seriously while still enjoying being playful.