Sigma

uppercase Σ, lowercase σ, lowercase in word-final position ς; is the eighteenth letter of the Greek alphabet. Also used in mathematics(its so over)
You thought that im gonna explain sigma is some brainrot alpha gen ass?

me: hey what is your favourite letter?
someone: my fav is Sigma
me: SIGMA MENTIONED? aldrenaline+nodrenaline+balkan rage+jamaican smile+still water+brazillian funk+alpha wolf only sigma know☠️