Berdly: Berdly resembles a large avian with blue feathers, a yellow beak, and yellow legs. He wears black framed glasses, a collared white button-up shirt with striped sleeves, and a black shirt layered underneath. Berdly is sarcastic, arrogant, projects great self-esteem, and considers himself one of the smartest students of his class. He is shown to be very disdainful of his fellow classmates (especially Susie), but has respect for Noelle, whom he considers the actual smartest student. Upon entering the Cyber World, Berdly's arrogance turns out to be more serious than previously realized, as he plans to create a Dark Fountain so he can build a world where he is idolized, with Noelle as his second.

Berdly is very unaware of how others perceive him. For instance, he is oblivious to Noelle's contempt and thinks she is in love with him and also fails to understand that Queen views him as her minion rather than an ally.

Despite his arrogant and annoying disposition, Berdly is shown to not be as clever as he says he is, as demonstrated by his inability to solve puzzles. He eventually confesses that he never really thought he was as intelligent as he claimed, and that he was only able to get good grades because Noelle helped him with his homework. His insecurities begin to eat him alive to a point where he feels everyone's expectations of him are so high, he can't imagine how it feels if he can't live up to them, or even what happens if he can't get along without Noelle's, or anyone else's, help. After Susie reassures him that he doesn't need to be smart, Berdly decides he wants to be an idiot instead, much to her annoyance. Once he wakes up from his "dream" in Dark World (though still unsure whether or not what he experienced was a dream), his opinion of Kris and Susie begins to soften somewhat, even going so far as to develop a crush on Susie and view her as some form of role model.

Berdly is also a huge video game fanatic and seeks a partner who shares this interest. He does, however, despise mobile video games.

During the Snowgrave Route, upon meeting Berdly after the Annoying Mouse Puzzle Room 3, Berdly shows capacity to understand the situation Noelle is in, and that he cares about her enough and is brave enough to fight the party and attempt to free her from Kris's wrongdoings, unbeknownst to him that they are under the player's influence. His attacks are stronger on this route.

As a child, Berdly was considered forgettable to his peers, and few even bothered to remember his name. His only friend was Noelle Holiday, his classmate and study partner.

One day, at the school spelling bee, Noelle and Berdly were the final two contestants standing, as they had studied together the night before in preparation. However, Noelle suddenly became nervous and couldn't speak when spelling the word "December," handing the victory to Berdly. Berdly did not believe he deserved to win, but found he enjoyed the attention and praise he received from his peers, and quickly became addicted to the idea of "being smart."

Since then, Berdly always worked to be "Number 1" in his class, worrying that he may not live up to everyone's high expectations. He secretly knew that Noelle was smarter than him, and continued studying with her over the years to maintain his good grades.

Berdly also has a big ass and dick and cums a lot.