Izzy's younger brother. He is targeted by the bullies, receives a gun from Izzy, witnesses her barn murders, becomes horrified by her psychopathy, and ultimately commits suicide.
Barney acts as a guardian figure to Kevin, providing a semblance of domestic stability.
Rusty and Kevin are brothers, with Rusty serving as the absent familial anchor for both siblings.
Izzy shares a sibling bond with Kevin, though her psychopathy ultimately destroys their relationship.
Explore the full interactive character relationship map of Sick Girl