The Western Sloper
The rough exterior of folks from the arid, desert-like side of the Rockies makes them look like people you wouldn't want to "meth" with. These guys are hightailing it out of Grand Junction and its surrounding areas faster than Jesse Pinkman and seeking refuge in Denver, specifically Cap Hill. They are tatted, pierced, and have partially shaved heads, thus scaring many of the Midwestern transplants.
The Subtle Seattleite
Between their appreciation of fine ales and familiarity with enlightened drug policies, they can be difficult to distinguish from the locals at first glance. If they try (unsuccessfully) to argue the virtues of The Gorge over Red Rocks, you'll know.
The Transitioning CU Grad
After five or six (seven?) years in Boulder, he's decided it's time to try to break into the brewing industry. Note: "break into" means attending numerous happy hours for as long as he can get mom and dad to continue subsidizing the rent.