Carl Gallagher (born 18 January 1990) is a fictional character from the Channel 4 drama Shameless, he is the fourth oldest Gallagher sibling. The son of Frank and Monica, his brothers are Phillip and Liam; his sisters are Fiona, Debbie, and Stella; his half-brothers are Ian and Nigel; and his half-sister is Delia. Initially he played only a minor role in the show as the sadistic sibling, but since series two has been featured just as much as the other Gallagher children since murdering Lillian Tyler's husband with the gun he found from the shoot-out a few episodes back in the finale.