When he was an assistant teaching staff of the Ottoman Military Academy, he used to order "Sağdan birinci manga, kop ta gel!

"), "Birinci mangadan sağdan itibaren beş kişi kop da gel!

His students gave him a nickname "Kop ta gel".

His granddaughter Yüksel Koptagel (born 27 October 1931) is a Turkish composer and pianist.

Media related to Osman Nuri Koptagel at Wikimedia Commons