alias

/a.ljas/
1.
nounmasculine

pseudonym

handle

username

Sur Twitch, son alias est 'DarkFox'.

On Twitch, his alias is 'DarkFox'.

2.
adverb

also known as

aka

Le suspect, alias 'Le Renard', a été interpellé hier.

The suspect, a.k.a. 'The Fox', was arrested yesterday.