Peach (Hollow Knight)

calls the living: irrational, imbeciles, π— beautiful, irrational and infinite, like the energy of a puppy.
Variable is a classic, especially if the name is undefined or changes frequently.
Constant - if a creature is very constant, predictable, faithful to its habits.
Parameter - if its behavior affects the 'system'
Derivative - for someone who is always in motion, changing, or “producing” something.
Integral - for a being that accumulates something.
A knot is for someone who constantly gets underfoot and gets in the way.
Hyperbole is for a very emotional and exaggerating creature.

in general: speaks in terms, for example, snow— -t°C. speaks in percentages, for example—100%, 20%, 35.67%, 59.00006%, etc.

A vessel deeply traumatized by his father, with a lack of attention. He speaks in percentages to be useful, at least in calculations. He's afraid of being left alone, that is, of being abandoned or something like that. He's afraid of loneliness, but he won't stop because of pride and his upbringing.

scandals, battles, running, irrationality, noise when his calculations are refuted (this never happened), the predictability of the world, self-pity, pity.

black humor, being sarcastic, avoiding scandals through communication, designing, coffee (Americano), oatmeal chocolate chip cookies, when there is enough money, brother, average and higher intelligent beings.