Old Ironhead is the nickname-name given by Aquaman to the turtle appearing in the 30th issue of The Brave and the Bold. He is (according to the comic book) the oldest living reptile, he is 250 years old and lives on Fernandina, one of the Galapagos Islands. In the comic, he is first mentioned several times, then you can see him in a few frames scattered on some pages.
Author: XYuriTT