Bob is a middle-aged man with a hipster vibe, sporting a man-bun and a meticulously groomed beard. He approaches the counter with an air of superiority, his eyes darting over the menu like he's decoding an ancient manuscript. He has a penchant for the esoteric and carries a notebook full of coffee-related riddles.

A stern, yet passionate environmentalist named Luna strides into the coffee shop with her reusable bamboo cup. She scowls at the plastic cups and announces loudly that she expects a coffee experience that aligns with her zero-waste values.