Henge are a British concept band formed in Manchester in 2015 who play a type of electronic crossover rock which they call Cosmic Dross.

The band perform as the fictional characters Zpor, Goo, Grok and Nom. In the description for the official audio of their debut EP, Cosmic Dross, they introduce the characters:

From beyond the rings of Saturn and travelling at speeds faster than light, Henge are a collective of aliens united by a mission to save planet Earth. […] One small step for Henge. One giant leap for mankind…