Kid Cudi has never quite fit in. His debut single, “Day ‘N’ Nite” introduced him as a “lonely stoner” in 2009. Since then, he’s proven himself to be even too outré for Kanye West ...

Seth Rogen has spent years building his stoner lifestyle brand, Houseplant, into a major player in the industry. Even still, he doesn’t think of it as an entrepreneurial undertaking.