A Halveti dervish who came to Karaman in the era of Karamanoğlu İbrahim Bey, who endowed him a large lodge; nicknamed Siyahser (Karabash, 'black-head') for riding a black horse and wearing black. Per his gravestone he died in Şevval 870 AH (1465-66) and was buried in the tomb west of the Siyahser Mosque; he is distinct from the famous Kastamonu Halveti Karabaş Velî (d.1686). (Sources: Sahip Ata Waqf Museum/Ministry of Culture; Türk Kültür Varlıkları Envanteri Karaman 2009, TTK)