hc : trolls can purr, and everyone’s sounds different.
karkat: gruff, gravelly purr
sollux: quiet purr
terezi: loud, trilling purr
vriska: slow purr
feferi: high pitched, ‘glubby’ purr
eridan: warbling purr
tavros: fluctuating in volume purr
gamzee: low growlish purr
kanaya: very even, almost ‘proper’ sounding purr
aradia: as a ghost, she lost the purr, as a robot the sound of her fans cooling her resembled purring, alive its very sweet sounding purrs
nepeta: cutest purr…very sweet and high pitched
equius: loud, rumbling purr