Kubrat

Kubrat (Greek: Κροβατον, Kούβρατος; Bulgarian: Кубрат [koˈbrat]) was the ruler of the Onogur–Bulgars, credited with establishing the confederation of Old Great Bulgaria in c. 632. His name derived from the Turkic words qobrat – "to gather", or qurt, i.e. "wolf".

Source: Wikipedia — https://en.wikipedia.org/wiki/Kubrat