[Sonofka]'s The Grandpa Club is a niche, adult-themed comic series known for its gritty, high-contrast art style and focus on unconventional, energetic, and often raunchy, elderly characters [0.0]. Chapters 1-4 establish a world of hyper-masculine, satirical, and transgressive scenarios that subvert traditional depictions of aging and seniority in media [0.0].