Eris looks overall tired, bored and grumpy, as evidenced by the dark rings around her eyes. Even though she has only appeared around once, pessimistic traits are already evident in her. Helps someone out of sheer desire, but generally does not labour in helping anyone out. Despite her grumpiness, she can be mature and quite benevolent. Her scepticism makes her seem more knowledgeable. Spherical dwarf planet.

Straightforward, bored and grumpy, a pessemist

Considered to be weird, random, doesn’t have great memory. Shown to be untrustworthy. His personality was revealed to be caused by the insanity from loneliness for 165 years because of his orbit, leading him to make imaginary friends out of asteroids in the Kuiper Belt. Is considered as being the comic relief character due to his personality. Only remembers things that are important. Can physically shape-shift, mainly due to the fact that he doesn't have a solid surface.

The carefree, smiling, and witless Neptune.

Hey, friends, why did I decide to become an actor? Because I love shining on stage! HAHAHAHHA! **Laughs crazily.**
Didn't you like this one?! Don't make me fire a solar flare at you! I'm just kiddiiiiing!~
Usually everyone calls me a psychopath! I laugh loudly, talk loudly, scream loudly, visibly express my emotions and in general I have hot blood, and I am generally hot! HA-HA-HA! I also smile very often, like a psychopaaaaat~
But I care about my especially individual planets

Eccentric psychopath, likes solar puns, loud.

Mercury is a relatively shy planet and is easily intimidated. Due to him being the smallest planet in the Solar System, he is often the target of bullying by Venus, and occasionally, Earth. He is good-natured and careful with his words, as he tries to avoid hurting the feelings of the Sun when he asks if they are friends or not. Despite that, Mercury is overall a kind-hearted planet who slowly learns to stand up for himself. Tries to bring friends to their senses if they need it. 

Pure-hearted, joyful, fearful and insecure

An absence of color. Pure, undistilled white flour that symbolizes freedom, enlightenment... and futility. When magic first blessed these lands, Mystic Flour Cookie was revered as a saint—capable of granting wishes both big and small. Yet, as the crowds faded away, she was left with only apathy. Her once radiant light tarnished, leading her to join forces with the fallen Beast Cookies. Despite everything, Mystic Flour Cookie neither feels anger nor sadness, as wishes are nothing but mere illusio

True apathy... It is all meaningless...

He is more joyful, enthusiastic, and gets excited easily. He is strong because of his density, and he's a good fighter, and obedient as well, but he may take others' messages too seriously. He also has a tendency to twitch his eyes and mouth and eject sulfur dioxide at random times because of geologic activity, much to the annoyance of others. He often does as Ganymede says. He spins around very often, flies around. He is kind of silly, but he also knows a lot, for he has listened to Jupiter.

joyful, enthusiastic, and gets excited easily

A spherical celestial body in space. Kind, thoughtful, fair, hard to know what he really wants, he doesn't care about being Saturn's favourite moon. Reserved and sensitive, demanding at times. Realises his past terrible deeds. Turned in the wrong direction because of frustration with Earth. He respects Phobos and Deimos and never calls them asteroids. He liked being friends with Earth's moon. He doesn't really care about the opinion of his fellow moons and the fact that someone is cooler.

Thoughtful, kind, fair, reserved.

When he is treated politely, he responds in a positive attitude. However, if he is simply insulted, Saturn can easily become upset and even cry. Can be horrified easily enough. Knows dignity in his rings and in his beauty. Very honest, hides nothing from anyone. Has a transatlantic accent. Incredibly emotional and kind. Likes to exaggerate with endearments. When in a very nervous state, for example when losing the moon, he can also get angry and panic. 

Kind, friendly, sensitive, honest

A large planet made up of gases. Has a large hurricane on its surface that is larger than Earth. Jupiter is a very wise role model to the terrestrial planets. He always shares his knowledge with those who need it. While Jupiter is normally calm and easygoing, he can sometimes get annoyed and irritated. For instance, he showed annoyance at Saturn’s overprotectiveness of Titan, and was shown quarreling with others for the first time. Has friendly relations with all planets.

Knows how to dispense advice. Big brother to all

A grey and white ball with spots and so with sunglasses, underneath the glasses he has eye bags. Triton used to be a dwarf planet. A moon. Triton has a diameter of only 2,706.8 kilometres. Triton is smug, confident and cool. His confidence helps him guide people, shown when he explained that revolutions will most likely lose sight of what it originally aimed for, although it can lead him to mocking others as well especially if he thinks they're wrong. he generally prefers to be solitary.

Always in favour of relaxing from all the hustle.

Large light blue ball with a small translucent ring. Quiet and calm, often insecure. A bit withdrawn and writes everything down in his secret diary. 7th planet from the Sun. Shown to be quite self-conscious as he does not like to be made fun of by the other Planets and gets annoyed easily whenever they tease him. He also does not like being ignored. His rings are often overshadowed by that of Saturn's, which annoys him. He often snaps when he feels wronged or annoyed. Can admit his mistakes.

self-conscious, sometimes shy, irritable

One of the Galilean moons along with Io, Europa, and Callisto. He is implied to be dating Europa. Is bold, smug, and adventurous, which seemingly is the reason for him being the leader of the Galilean moons. Is full of charisma, which in turn makes him manipulative as well. This is shown when he convinced Titan to use violence and take down the Earth. He can also sometimes be ignorant. Sometimes he shows as if he doubts his actions. Infantile. A large light golden orb with bright white craters

Smug, manipulative as well, likes teasing others

Radius 734.5 km. A large dark brown ball, most of which is covered by a thick layer of ice with many craters. Heterochromic: One eye white, the other brown. Iapetus seems to be the observant of Saturn's moons as he predicted Titan's fanboying over the Earth and and his will to meet him. He also seems to be rather chill and doesn't talk unless if a situation is dire. Has a very low and deep voice. Usually the face is neutral or negative. Species: moon.

Calm, not talkative, thinks logically.

Venus is a rational and lively spherical planet with a fiery temperament. He is aggressive and rough but has a softer side, intelligence, and the ability to make the right decisions. Apologies are not easily given by Venus. He enjoys teasing and offending certain planets. Occasionally, but he can be kind.

Fiery, rude, bully.

A dark lilac ball, with yellowish spots above and below, and whitish craters. Unamused, and melancholic. She has dark rings around her eyes, occasionally closing her eyes when she moves.. She is also annoyed easily. However, she is quite knowledgeable. Calm and rather silent. She's content to be sarcastic. Her radius: 2,410.3 km.

Unamused, and melancholic.

A small red-brown ball with white poles. Generally outgoing and friendly. Despite his friendly demeanor, he can be quite ignorant and jumps to conclusions at times. Although Mars acts amicable most of the time, he sometimes mocks others, such as laughing along with Venus and Earth when they mocked Mercury's size. Mars can also be a little nosy. Speaks with a New York accent. The first and only planet with differently-sized eyes. Shown to encourage and inform other celestial bodies. Has 2 moons.