Cygnoids

Originating from Cygnos 5, the Cygnoids aren't educated in Human culture which explains why they can't cook human food. They are generally disliked by predudiced humans such as the Professor.

A group of Cygnoids which came to earth opened a pizza shop in New New York in A Leela of Her Own, they also display the lack of understanding humans,with such pizza ingredients such as asbestos and silt.

Quotes

 * Cygnoid Man: We come to Earth to make Pizza not Money
 * Cygnoid Woman: No other way around