Catchphrase

A catchphrase is commonly uttered line uttered by a character. Catchphrases often becomes associated with the character in question and if they become popular enough may even become associated with the show.

The two most popular catchphrases on Futurama are Farnsworth's "Good news, everyone" and Bender's "Bite my shiny metal ass".

Catchphrases
Catchphrases used by the characters
 * Bite my shiny metal ass - Bender
 * Good news, everyone - Professor Farnsworth
 * Hi-yah! - Leela
 * I am already in my pajamas - Professor Farnsworth
 * Me, Bender - Bender