Cosmo is a helpful, yet somewhat cautious Toon. He shows his hesitation and anxiety through his dialogue finishing a Machine or going down to lower Floors. He is a kind Toon who encourages the other Toons. He may be a bit clueless on some jokes and somewhat gullible to teasing, such as in his interactions with Finn and Gigi. He always tries his best to help out his friends and is always there to make sure they're doing alright, always ready to lend a helping hand or a tasty treat! 

As shown in her dialogue and Introduction Card, Brightney is a smart and helpful Toon. Like her Active Ability suggests, she is skilled at solving problems, as well as helping Toons out. However, it's likely that she may be overworked at times.

On the outside, Glisten appears to be prideful and egotistical, and appears to admire himself more than anything. He also appears to want attention from others. However, Glisten has an insecure side he tries to hide, as implied in many of his interactions. Some of his interactions with Tisha, Toodles, and Rodger shows that he gets defensive when his more insecure side is shown. He also tries to keep his cover of being "perfect", as shown in one of his written notes in his room. He also overworks himself, which is also shown in 2 of his notes in his room. 

Shrimpo is a rather static, flat character, showing a lack of depth as well as no change throughout his personality similar to a lot of stereotypical "bully" characters in a lot of kid's shows.

Poppy is a bubbly and extroverted Toon. She is often loud at times such has in her interactions with Boxten and Goob. She seems to like fashion or looking good, shown by her interactions with Scraps, Rodger, Pebble, and Flutter. She is also likely good friends with Gigi. She is overall outgoing, bubbly, and social.

Boxten is a shy and introverted Toon. He is sometimes somewhat pessimistic and worries more than he should, as shown in one of his interactions with Poppy and some of his dialogues. He also wants to learn things and tries to be careful and is afraid of messing things up, based on his interaction with Cosmo. 

Teagan is a kind Toon who likes to invite the other Toons to her tea gatherings. She knows how to make the teas suitable for the other Toons and has memorized their favorite kinds of tea, which is said in their Introduction Card and proven by their interactions. She is also calm and composed. They also seem to like to keep etiquette, based on her Interaction with Pebble and her Interaction with Rodger where they say they make sure no Ichor gets on her boa.

Toodles is an energetic Toon who likes to help out and prove herself capable for her age. She doesn’t like to admit her weaknesses, such as her fear of the dark, as shown in her interaction with Brightney and with one of her dialogues when descending to the next floor. She shows her fear more in her interaction with Shrimpo, where she says she finds elevators scary. She also can be quite curious, and wants to help and doesn’t like when Rodger doesn’t allow her to help him in his cases. 

Being conjoined twins, Razzle and Dazzle both have extremely different personalities, which represent their respective Theatre masks.

Finn is an energetic and extroverted Toon. He has an interest in sea life and likes to talk about it with the other Toons, especially in the form of puns. He sometimes can go overboard on it and continue on making puns, even if a Toon didn’t like it, based on his interaction with Glisten. He also can be somewhat forgetful on what some of the Toons don’t want, such as forgetting to not go too near Vee, based on their interaction 

Tisha is a Toon who loves cleaning, and dislikes anything that’s messy and/or disorganized. She is obsessed with keeping everything clean and organized. She also cares about how clean anything is, possibly perfectly clean, just like what she says in her interaction with Boxten: "Shining, sparkling, so clean you'll need a wet floor sign!" She cleans so much, possibly to the point of overworking herself, and this is implied in her interaction with Astro and with Razzle & Dazzle.

Rodger is a rather smart Toon that rather thinks logically. He often likes to ask the Toons questions about them. However, he can be somewhat nosy about it like in his interactions with Astro and Sprout, saying "It may be safer, but uncovering truths is more rewarding!" and "How about later? I could ask you after this!" Still, he tries to look after the safety and well being of the other Toons.

Flutter is a mute Toon, as it is shown that she cannot speak other than in '..." or "..!" This doesn't mean she can't make noise however as shown in Shrimpo's interaction with her when he says "I HATE HOW YOU'RE SO LOUD!" Though this could be an overreaction on Shrimpo's part. Also, a lot of Toons seem to understand her as in their interactions they react accordingly to the other dialogue Flutter has said. Despite this, she is kind and a good friend towards the other Toons, and tries to be helpful. Her interaction with Cosmo shows that she is really a helpful Toon, though she isn't credited as much, since he says "Yeah, I just think you don't hear it enough, that it would cheer you up."Overall, Flutter is a kind and helpful Toon despite her setbacks.

Gigi is a chill, laid back Toon, who is also chaotic and likes teasing some of the Toons. She is likely a hoarder and is disorganized, based on her interactions with Tisha and Vee. She also doesn't like to keep promises, like she said to Vee. She is overall friendly, likes having conversations, and is good friends with Poppy and Flutter, and likes to do activities with them.