Natsu Dragneel Zeref Dragneel Ignia Dragneel Acnologia Dragneel The four sons of Igneel, and the collective owners of 3 braincells (Zeref usually hogs them all) One is a demon, they're all cursed, and their dad is god knows where Natsu is usually doing random stuff in Magnolia Zeref is always overworked and stressed in Alvarez Ignia is beating up Mercphobia and trying to find Igneel Acnologia just tags along with Ignia, occasionally beating up Mercphobia too And Igneel... left to get bread one day and never came back, leaving all four idiotic children with the mission of finding him again Unfortunately none of them have ever been good at hide and seek