pseudo

Quel est ton pseudo ?

What's your nickname?

Je n'ai pas de pseudo.

I don't have a nickname.

Ce pseudo lui convient parfaitement.

That nickname fits him perfectly.

Tom utilise un pseudo quand il joue aux jeux vidéo.

Tom uses an alias when he plays video games.

Je ne connaissais pas son nom, juste son pseudo Twitter.

I didn't know his name, just his Twitter handle.