Baliyo is a young male lion, who lives at the Tree of Life. He is a member of the Night Pride, the younger brother of Rani, and the grandson of Janna. His job is to keep Rani safe and support her in the decisions she makes, both as leader of the Night Pride and Queen of the Tree of Life.
He has dark brown fur, with a creamy brown underbelly, muzzle and paws. His large hair tuft is a dark greyish-brown, with darker and lighter stripes running through it. The same goes for his tail tuft. Dotted around his legs are dark brown spots and there are three smaller spots under his eyes. His ear rims are black around the top and brown along the sides, and his inner ear is light pink which is darker near the ear canal. Baliyo has pale yellow sclerae, with dark blue irises. His nose is large, pointed, and dark pink. Unlike the other male lions on the show, Baliyo doesn’t have any whiskers, because all male lions in the lion king universe don't have them.
Baliyo is an enthusiastic and friendly lion. He is brave, loyal, and dedicated to his pride and their duty to protect the Tree of Life, which has also led to Baliyo being somewhat rash and quick to jump to conclusions, as seen when the Night Pride first met the Lion Guard.
Baliyo misunderstood the situation, because while eaves dropping on the strangers he could only make out a few bits of words spoken, believing the Lion Guard to be enemies and immediately attacked, leading to a misunderstanding between the two groups.
Otherwise, he is welcoming and forgiving, not holding a grudge against Kion for using the Roar on him apart from asking he not do it again. He has a big heart and loves his family, because he was heartbroken by the passing of his grandmother, but swore to her that he would stay strong and support his sister.
When Bunga causes a rock slide that blocks the entrance to the Tree of Life Rani gets worried that the visitors might be a threat. Ullu leads the Night Pride to the Guard. Rani and Surak think that they are strangers. Baliyo goes up to see who the strangers are. Upon seeing the Lion Guard, Baliyo assumes they are a threat and attacks Kion. Following Baliyo, the rest of the Night Pride attacks the Guard. Kion soon uses the Roar of the Elders on Baliyo and Rani gets upset. Rani says that he and his friends will never be welcome at the Tree of Life. Rani soon asks if her brother is okay and he says that he was. He starts to feel dizzy while Rani decides to speak with her grandmother while Surak and Nirmala take Baliyo to get him a cure for his head. After speaking to her Night Pride they all think that the Guard shouldn't come in. After finding the Guard, they notice that they cleared the path. Kion apologizes about the rock slide and humbly asks Ono to be healed. Rani accepts Kion's apology and leads them to the Tree of Life. Baliyo asks Kion not to use the Roar on him anymore and Kion promises him that he won't. Rani soon welcomes them to the Tree of Life.
Rani brings the Lion Guard inside the Tree of Life to speak with her grandmother Janna. Janna asks Nirmala to help heal Kion's scar. While Kion is getting healed, Janna asks Rani to show the rest of the Guard around the Tree of Life. Later, the Night Pride soon fights Makucha, Chuluun, and Ora. The Lion Guard comes to help. However, Rani didn't want their help and asks them to leave as soon as possible. Rani asks Nirmala if Kion is healed yet, she says that she is just like him. Makucha and the others come back again and the Night Pride fights them and Baliyo gets bitten by Ora, making him unable to fight. Chuluun charges at Baliyo ready to attack but Kion arrives just in time to protect him. Baliyo is very happy to see Kion and asks him to use his Roar on the predators, showing that he trusts Kion and admires his Roar. With help from the Lion Guard, they're able to win the battle and according to Nirmala, the venom from the Komodo dragon will wear off.
Baliyo and Rani are hanging out with the Lion Guard. Soon, Kion and Nirmala come along, Kion has mud on his face Nirmala says it's part of his healing, Nirmala says that Kion has a long way to go before he gets healed. She also says that it's time for Ono to get healed, Ono is excited and he heads off to the Tree of Life. Fuli asks if Bunga can be any noisier when he eats. Baliyo says that Bunga should meet his friend Binga. After meeting Binga, she and Bunga soon have a bug-eating contest, he is shocked by what he sees. The Night Pride hears that Makucha's army is attacking again. However. they spot Mama Binturong who says that she was attacked by Binga and Bunga. Bunga explains what really happened and she runs off. Before she escapes far, Bunga and Binga stop her with their stink. Rani tells Ono that he was the one who figured out Mama Binturong's plan. She thanks Ono for his help Kion says that she's right. Ono is still getting used to his new role in the Guard.
The Guard and the Night Pride gather around Bunga and giggle as they watch him talk about Binga in his sleep. When all the other members of the Lion Guard do their own things, Beshte thinks what he's going to do. Baliyo asks him what he does back at the Pride Lands. Beshte says that he'll meet new animals. He suggests that Beshte should walk around the Tree of Life. Later, a group of animals led by Pinguino reports Baliyo about a new villain and who is destroying the Tree of Life's habitats. Baliyo tells the animals to go back home while he informs Rani of the problem. Beshte returns from traveling, Baliyo tells him about a villain on the rampage at the Tree of Life that has been attacking all of the animals before getting Rani. After fetching Rani, they run into Pinguion and he complains that Poa the Destroyer had terrorized his home a second time. This makes Rani realize Poa the Destroyer's true identity, as his name matches Beshte's catchphrase she tells Baliyo to go round up the Lion Guard while she talks to Kion. Rani and Baliyo then tell Beshte that the animals are afraid of him to which Beshte feels upset. While Beshte is off by himself, the others agree to host a meeting in which Beshte can win the animals' trust. Rani tells the animals that there has been a misunderstanding, the Guard tells the animals that Beshte isn't a bad guy. When the penguins show up Rani sees that Pinguino is missing. She says that he needs to be here since he caused the biggest fuss. Kion asks Anga to find Beshte and Pinguino. They soon show up and Pinguino starts calling Beshte "Poa the Life Saver". The animals soon cheer for Beshte. She asks Baliyo to round up the rest of the Lion Guard.
The Night Pride and the Lion Guard are stopping Makcuha's Army from preventing a family of Tigers from entering the Tree of Life. Makucha's Army is forced to retreat and Rani invites the tigers into the Tree of Life. Ullu soon comes by saying that Queen Janna would like to see her and the Night Pride along with Kion. Queen Janna is incredibly weak and is on the verge of death. Janna tells Rani that it's time for her to become queen. Rani thinks she isn't ready and Queen Janna says she is. Rani starts to cry as Queen Janna passes away. The Night Pride follows Rani in tears. Baliyo attends the funeral and is sad during it. Fuli, Anga, and Nirmala greet Rani with a song as she becomes queen. All the animals' cheer, including Baliyo, who is very proud of his older sister, Rani.
Makcuha's Army comes back to attack the animals at the Tree of Life, the Night Pride fights them off once again although Baliyo is exhausted from a night of patrolling. Although the Lion Guard comes to work together, Kion and Rani's leadership causes confusion.
Eventually, by working together, the Lion Guard and the Night Pride drive off Makucha's army. Kion then compromises with the Night Pride explaining that the Lion Guard will patrol during the day and the Night Pride will patrol during the night to which Rani accepts Kion's compromise.
When Makucha's army comes back to the Tree of Life at sunset, Baliyo and the Night Pride listen to Kion's instructions on how to fight them, showing that they trust Kion as a leader. By working together, the Night Pride and the Lion Guard stop them.
When Makucha and his henchmen enter the Tree of Life due to Ullu falling asleep, the Night Pride arrives to confront them but the Lion Guard steps in and fights them off.
Makucha's Army (this time with new reinforcements) comes back again in a plan to take over the Tree of Life and take revenge against the Lion Guard and the Night Pride. Ullu then warns the Night Pride about the ambush, only for Ora and the two Komodo dragons to trap Baliyo, Surak, Nirmala, and Makini in the Tree of Life using a big rock. With the Night Pride trapped inside, Makucha's army then begins attacking the animals.
Anga brings them and Kion uses his roar on them. on the predators and then uses it to free Makini and the rest of the Night Pride from the Tree by destroying the rock with bolts of dry lightning. ion then uses a tornado to blast the villains far away from the Tree of Life never to be seen again and the animals are safe from the ambush. Baliyo regrets missing out on seeing Kion do more. After realizing the full power of Kion's Roar, Rani asks now healed Kion to stay instead of return to the Pride Lands.
After giving up his roar and handing it over to the new Lion Guard's leader Vitani, Kion asks the Guard if they would like to protect the Tree of Life. They all agree and head back to the tree. With all of Kion's family and friends watching him, Kion becomes Rani's new king.