The craft-beer industry is running out of hop names.

It has used up Hops of Wrath, Hopsickle, and Hop Drop ‘n Roll. So too with Hopivore, Aurora Hoppyalis, Hoptimum, Hopsecutioner and Notorious H.O.P.

Beer makers have also mown through the animal kingdom in search of catchy names, with hundreds of beers named after bears, dozens tied to moose...