"Barney, the sweet taste of winston's cigarettes is the cloying sweetness of blood! Every mellow puff draws us closer to perdition's flame, and the cries of our wives for help with housework is as nothing as the souls crying out against us!" "okay fred, want another one?" ".......yes."
There's a fairly recent Flintstones comic that has this as the exact premise
Fred and Barney are both vets who killed Neanderthals in a war of extermination because the Bedrock town elders wanted more land and resources
It's actually pretty good in a "Fred Flintstone wakes up screaming in the middle of the night" kind of way
"Barney, the sweet taste of winston's cigarettes is the cloying sweetness of blood! Every mellow puff draws us closer to perdition's flame, and the cries of our wives for help with housework is as nothing as the souls crying out against us!" "okay fred, want another one?" ".......yes."
Yeah, there's a lot of weird Hanna-Barbera comics from the last five years or so
Scooby Apocalypse: What if Scooby-Doo, but in a post-apocalyptic world filled with monsters?
Huckleberry Hound: What if Tennessee Williams was a blue dog?
Elmer Fudd vs. Batman: I don't have to explain this one
Get them however you like, they're entertaining light reads