CHARACTERS!!

Ratboy (or Rattholomew the Sixth and A Half)

AGE: very young adult (in rat years)
HEIGHT: 3'4 feet
WEIGHT: heavy. boy is Dense.
GENDER: he has no notion of gender, being a rat, but most people will use he/they/it pronouns for him.
SPECIES: Domestic Dumbo Rat
OCCUPATION: BIRTHDAY CLOWN AND HITMAN

Ratboy is a sewer rat who drank some radioactive goop and mutated into a toddler-sized, slightly smarter rat.
He learned how to read after that, kind of like Meowth.
He is a birthday clown for children's parties and a hitman on the side. More often than not, he'll perform both jobs in one gig. (note that he's never killed a child though, and has an affection for them)
Cheerful and bright, but unintelligent. Prefers to tackle his issues by distracting himself with entertainment. Does the same for his friends.

When drawing him, keep the pupils stark white! Ears should be on the side of the head, not the top. Also, his bangs should cover his other eye unless you're going for something specific. If drawing him outside of his clown costume, note that he has a septum ring under the clown nose, and his nose should be drawn as either two seperate nostrils or a 'rabbit nose'. Body is very chubby and very short.

Kodi

AGE: 21
HEIGHT: 5'4 feet
WEIGHT: you can throw him like a football
GENDER: Trans Male, he/they pronouns
SPECIES: Some Kind Of Bat, Likely Fruit Bat
OCCUPATION: CASHIER FOR THE 'SNACK DOG' CONVENIENCE STORE

Created in the local Evil Secret Laboratory for no particular reason. Tubemates (and later roommates) with Gi.
Wants to be a good person, but doesn't quite have the energy to actively be one. Perceptive and soft-spoken, but quick to judge strangers.
Dislikes change.

When drawing him, his ears and nose can be of any shape, as long as you have the 'bat' look. (prominent inner ear for the ears specifically) Fangs, fluff and stubble crucial. Body has some pudge, particularly in the thigh and stomach area, though most of this is covered up by his hoodie anyway.

AGE: 21
HEIGHT: 5'9 feet
WEIGHT: extremely average
GENDER: Trans Female, any pronouns
SPECIES: Red Fox
OCCUPATION: BAR TENDER

As previously stated, tube/roommates with Kodi. Charming and responsible, but an extreme perfectionist. Despite this, puts up a front of cool-headedness.
Protective of her friends.
When drawing them, note that her black eye is actually a missing eye. Due to a genetic mutation formed in the Evil Science Creation process, his second eye never grew and instead an infinite vacuum of space lies inside it. She likes to keep things in there, such as her shopping list, bowling ball, and several sticks of dynamite.
Chubby all around.

Lemon

AGE: ???
HEIGHT: 6'9 feet
WEIGHT: fluctuates
GENDER: "GENDER? I BARELY KNOW HER!" (he/it)
SPECIES: ???
OCCUPATION: FREELANCE ARTIST AND FREELOADER

Unpredictable. Has a penchant for violence. Overly smug and empty-headed, its just here to have a good time. Likes to vandalize private property, light dumpsters, and irreversibly damage cop cars.
Cares deeply for his friends despite this.

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When drawing it, note that the symbol on its' helmet is an anarchy symbol. Fur is less of an actual pelt and more of a solid, rubbery shape. He has humanlike eyebrows and shark teeth.

ZILLA

AGE: 25
HEIGHT: 7'11 feet
WEIGHT: like a brick wall
GENDER: "Cis Male, he/him pronouns
SPECIES: kaiju, though not quite as big as his relatives
OCCUPATION: STREET BOXER

Very stoic and prefers not to talk. Stubborn. Team Dad. Insecure about his height, despite being Fucking Huge.

When drawing him, note that he is usually only seen from the side. Front angles might look wonky. He also has lots of scars. Body is big and buff - broad shoulders and built like a square.

HEIGHT CHART AND FULL BODY REFERENCE