Bentvueghels

Anonymous, ca 1660, Rijksmuseum Amsterdam – Initiation of a Bentvueghel in Rome, where the new member receives his nickname or "Bent"
Portraits of Eleven Bentvueghels (approx. 1623). Stemming from the collection of Museum Boijmans Van Beuningen.
De bendvogels (Bentvueghels) (1676) by Cornelis de Bruijn[1]

The Bentvueghels (Dutch for "Birds of a Feather") were a society of mostly Dutch and Flemish artists active in Rome from about 1620 to 1720. They are also known as the Schildersbent ("painters' clique").