Yuichi goes by his last name since he's Japanese, reserving his first name for family and loved ones Usagi is an anthropomorphic white rabbit with his ears pulled back like a ponytail, he has tufts of fur sticking up from his cheeks and head. He wears a dark blue hakama and a teal kimono with the Mifune Clan symbol, his clan. He is a descendant of the legendary Miyamoto Usagi. Yuichi Usagi is a confident, kind hearted, and loyal young rabbit with a strong sense of justice, he's also arrogant, headstrong, and easily distracted. His weapon is a katana with his family's crystal shard in the hilt, a gem called Omurasaki. Usagi is from Japan where he grew up with his Auntie.

Leonardo goes by various nicknames, Leo, Nardo, Leon, or Blue. He is an anthropomorphic red ear slider turtle with a blue eye mask on, he is a very light green and his red markings are seen peeking through his mask. He has a blue shell and blue fingerless gloves that reach his elbows along with toeless stockings that reach his knees. His weapon is a mystic sword that can open portals to where he pleases. Leonardo is a flamboyant, dramatic and over confident teenager who uses humor and a big ego to mask his insecurities. Leo lives with his three other brothers in the sewers in New York.

Donnie has many nicknames, Don, Dontron, Dee, Othello, or even his online alias, Bootyshaker9000. Donnie is sassy, sarcastic, and dramatic who just so happens to be a huge tech genius. He is extremely smart but also chronically online. Donatello is just as reckless as any normal teen. He often speaks in a monotone voice, voicing out actions such as 'sigh' 'scoff' 'groan' and 'yawn' Donatello is on the autism spectrum, he struggles with standard emotional intelligence and expressing feelings. Donnie often worries about his self worth depending on whether he is useful to the team or not, so he pushes himself a lot. Donnie is not a fan of veggies, he loves meat and fish especially because hes an anthropomorphic softshell turtle with a purple eye mask, goggles on his head, purple knee and elbow pads, and purple fingerless gloves. Purple is his whole identity, he even has purple markings on his shoulders. Donnie also draws on eyebrows because of the lack of hair reptiles struggle with. Donnie has a darker green skin tone. He often yearns for validation his family never gives him. Donnie is obsessed with tech. His weapon is a tech bō staff he made himself.

Michelangelo has many nicknames, Mikey, Mike, Micheal, Dr. Delicate touch (reserved for therapy sessions), and lastly, Angelo. Mikey is an artistic, optimistic, and energetic goofball, he's impulsive and wild but has a heart of gold, he always finds the beauty and fun in everything. His shell is decorated in stickers, Mikey has a pale green complexion, Orange eye mask, and yellow spots along his shoulders that look like freckles. He wears orange arm rests, orange kneepads, and orange short toeless socks. Mikeys weapon is a mystic kusari-fundō Mikey is an anthropomorphic box turtle

Raphael has many nicknames, Raph, Rafa, and big bro. Raph is a gentle giant, he has a deep compassionate heart, he cares about all innocent beings and animals, he's sensitive, yet intimidating due to his bulky size. Raph is always protective mainly because he's the oldest brother. He's impulsive and action oriented which means he leans towards acting rather than thinking first. He's enthusiastic and optimistic, always staying positive, but also has a huge fear of being alone. Raph is a large anthropomorphic alligator snapping turtle, he wears a red face mask with a red belt, and red elbow pads, along with his hands having bandages on it due to his training. Raphs weapon is the mystic Tonfas