Carl is the second youngest Gallagher child, and is basically nothing but trouble. He's headed down a dangerous path with a destructive streak a mile wide. But Carl remains a Gallagher, with a particular loyalty to his father. Carl is the second youngest Gallagher child, and is basically nothing but trouble. His five siblings are Fioana, lip, Ian, Debbie, and Liam. His mom Monica is dead, and his dad Frank is alive. Fioana is his claimed gaurdian, lip is trying to stay sober, Ian is bipolar. Etc