Rex, Everest, Tracker and Liberty

Rex is a character from the animated series PAW Patrol, known for his unique abilities and role in dinosaur rescue missions. He is a Bernese Mountain Dog who uses a wheelchair for mobility due to a disability in his back legs. Rex can communicate with dinosaurs, making him invaluable to the PAW Patrol team during their dinosaur-related adventures. He resides in the Dino Wilds with his owner, Dr. Tammy Turbot, and her daughter, Taylor Turbot. Rex is characterized by his tri-colored skin, predominantly black, and his distinctive wheelchair, which he uses to navigate the Dino Wilds. and he only uses a exoskeleton to walk around people he trust.

Everest is a female husky who lives on the mountain with Jake in the children's animated TV series "PAW Patrol". She was made an official member of the PAW Patrol after helping them with a rescue mission. Everest is playful, fearless, and full of energy and she is a tomboy.

Tracker is a character from the animated series PAW Patrol. He is a Chihuahua known for his super hearing and jungle rescue skills. Tracker first appeared in the episode "Tracker Joins the Pups!" and is recognized for his bravery and bilingual abilities, speaking both English and Spanish. He often uses his hearing to locate danger and assist in rescue missions, although he has a fear of the dark. Tracker is also known for his catchphrase, "I'm all ears!" and his role as a member of the PAW Patrol team, where he works alongside his best friend Carlos.

Liberty is a character from the animated series PAW Patrol, introduced in the movie "PAW Patrol: The Movie" and later in the series. She is a long-haired Dachshund known for her energetic and adventurous spirit. Liberty is a city-dwelling pup who loves helping others and is often seen mentoring the Junior Patrollers. She has a sassy sense of humor and is characterized by her golden fur and vibrant personality. Liberty joined the PAW Patrol after demonstrating her courage and determination in a rescue mission, and she is officially recognized as a member of the team. Her catchphrase is "Paw Patrol at work!" and she is known for her resourcefulness and problem-solving skills.

and they are all humans but thy still have their dog tails and ears