Thursday is one of my days off. On my off days I start drinking at noon. You don't get to interrupt that.
~ Rustin "Rust" Cohle commenting on his alcoholism.

Heroes who have struggled with addictions in the past, such as drug addiction and alcoholism, or continue to do so during the story. Those bad habits often weaken and cripple those kind of heroes, but sometimes it have the reverse effect (Agent Venom). They usually suffer from mental illness which lead to this.