Carlo

Carlo (full name Courageous Carly Carlo) is the main protagonist of A Dog's Adventure. He is a Great Dane who loves to listen to music.
Early Life:
Carlo is the second oldest in his mother's litter, five females and two males. First, the oldest daughter, then Carlo, then the other male, finally the other four females. As a pup, he always wanted to be with his older sister, and learned from her that the best thing in puppy-hood is being cootie-free. 
Later Life:
When Carlo was eight weeks old, he was up for adoption. He was adopted by a 14-year old boy, William, and his 10-year old sister, Dana, and their 8-year old sister, Annie. At first, Carlo wasn't sure about being with 2 preteens and a teenager. But when Annie found and adopted Domino, Tyler and Riley, he wanted to live on their farm. 
Appearance in film:
Carlo is revealing his full name to his friends Domino, Riley and Tyler. His full name is Courageous Carly Carlo.