Cartoon prototypes

In The Conlanger's Lexipedia, Mark Rosenfelder (Zompist) writes: "(I might add that if you ask a cartoonist to draw it, they’ll probably draw the prototype. From this we can learn that the prototypical hunk of cheese is Swiss, with really big holes.)"

Taking on this, here are the cartoon prototypes -- the way a typical member of various types of things or people is stereotypically drawn -- for many nouns.

Foods

Cheese

A hunk of Swiss cheese, with big holes

Apple

A bright red apple, probably a Red Delicious, with long stem and sometimes a worm

Egg

White, oval hen's egg, no spots

Ice cream

A perfectly conical, hatched cone with big scoops of vanilla ice cream on top

Pizza

A circle of cheese and red pepperoni pizza, with one slice being taken out

Hamburger

Tall, has a sesame seed bun with lettuce and tomatoes decked around the patty

Taco

Hard-shelled, with cheese, lettuce, tomatoes, and beef

Sushi

A squircular piece of shiny, white rice with pink ambiguous seafood inside

Grocery bag

Always has a loaf of French bread sticking out

Vehicles

Airplane

Plump and white, with a big puffy contrail coming out the back

Car

Bright red, fast

Noah's Ark

A brown wooden boat (not a box as in the Bible), with animals sticking their heads out of the windows and some on the deck; giraffes and elephants will ALWAYS be present

Clothes

Pajamas

Vertical red and white stripes

Animals

Bird

Songbird perching and singing a song

Monkey

Brown, hangs from tree by versatile tail, funny/jocular expression on face

Cow

A Holstein cow, with cowbell

Horse

Brown with a black mane

Dinosaur

A big, green sauropod

Pig

Peach-like pink color, little hair, has some mud on it in which it rolled around

Sheep/Lamb

Very fluffy, with white wool

Goat

Thin, white fur, yellow horns, beard

Duck

White (unless it's a rubber duckie, in which case it'll be yellow), orange beak open with an enthusiastic quack, waddling on orange webbed feet

Hen

Reddish-brown feathers, proudly broody or gossipy expression, often pecking at feed

Rooster

Thin, more colorful than hen, erect red wattle, in crowing position, perched atop fence or roost

Chick

Yellow, fuzzy, mouth open in peep, often still has part of the eggshell attached to it

Supernatural or mythical beings

Alien

A Grey with white skin and black eyes, lanky build

Martian

Green, antennae, squat build (mostly torso), number of eyes other than two

God

Man with white hair, white moustache, and long white beard

Devil

Red skin, caprine horns, arrow-shaped tail, hooves, carries a pitchfork, devilish look on face, black beard

Witch

Green skin, pointy nose, warts, often cachinnating, black robe and pointy black hat, rides broomstick with black cat as a familiar

Wizard

Older man with white hair and a copious white beard, blue or periwinkle robe, carries wand, wears crumply conical hat with moons and/or stars on it

Fairy

Small, female, wears dress, insect-like wings, playful expression on face, carries wand, slender

Fairy godmother

Same as fairy except older and overweight

Angel

White robe, white bird-like wings, either has a pageboy or medium-length curly hair, serene expression on face

People

Baby

In diaper, big head, pink skin, one tooth, little hair, hairbow if a girl, crying loudly

Boy (child)

Blue eyes, red-and-white-striped T-shirt, blue jeans, sneakers, baseball cap, a little on the fat side

Girl (child)

Blonde hair in pigtails, blue eyes, pink dress, carries doll or teddy

Boy (teenage)

Brown hair is loose and messy, blue eyes, freckles, either a red-and-white-striped T-shirt or a polo with green and blue stripes or blue with one thick white stripe across the middle, skinny

Girl (teenage)

Blonde hair in ponytail, blue eyes, freckles, pink sweatshirt, blue jeans, prominent breasts

Young man (twentysomething)

Black hair, beard, black clothes, looks like a millennial hipster

Young woman (twentysomething)

Blonde hair in ponytail, physically fit, black tank top, prominent breasts

Grandmother

Grey hair, bifocals, smiling face, missing teeth, sweater, sitting in rocking chair

Grandfather

White hair, long white beard, wrinkled, body hunched over, angular body, plaid shirt and coat, carries walking stick

Doctor

Wears band with circle over head and lab coat, carries either stethoscope or tube of miracle medicine

Pirate

Jolly Roger cap, eye patch, red-and-white-striped T-shirt, hook for hand, peg leg, parrot on shoulder, beard

Burglar

Long-sleeved shirt with horizontal stripes, raccoon-like mask over eyes, carries a bag with a dollar sign on it

Basketball player

Very tall, African-American, good-looking, wears shorts and numbered tank top in matching colors

Quarterback

White male, large hunk build, wears shoulder pads, numbered football uniform, golden smile, princely good looks

Soccer player (male)

Hispanic, physically fit and energetic-looking, shiny black hair, dressed in team's colors

Soccer player (female)

Shiny black hair in ponytail, physically fit and energetic-looking, dressed in team's colors

Tennis player

Black hair, head band, polo shirt and preppy clothes, thin, ponytail if female

Baseball player

Vertically striped button-up shirt, forward-facing baseball cap, eager look on face that evinces an "in it to win it" spirit, in shape but neither short nor tall

Scientist

Older Caucasian (usually White but often Jewish) male with messy white hair, unkempt appearance, white lab coat, glasses

Housewife

White woman with medium-length curly red hair, average build, white blouse, blue apron with white polka dots on it, often runs vacuum or carries tray of baked goods right out of the oven

Dad

White man with dark hair in businessman hairstyle, slippers, smokes pipe, grey suit, tie (which he probably got for Father's Day)

Metalhead (or heavy metal musician)

Light brown hair in mullet, edgy look on face, black T-shirt with logo of metal band, spiky metal jewelry

Opera singer

An overweight Nordic woman with a big, open mouth and a Viking hat, dressed in black, cups shaped like round shields over breasts

Cop

Overweight, male, wears blue uniform with eight-point hat and police badge in the shape of a golden shield (or seven-point star if a sheriff)

Villain

Black hair, vaguely non-WASP-looking (either Italian, or Mexican, or Eastern European), black villain moustache, black clothes, menacing grin