There are multiple bands/artists with the alias "Emperor".
1. a Norwegi… Read Full Bio ↴There are multiple bands/artists with the alias "Emperor".
1. a Norwegian-based black metal band (as shown on the picture)
2. UK-based Drum & Bass producer/DJ
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1) Emperor is a Norwegian black metal band formed in 1991, regarded as highly influential by critics and emerging black metal bands. The group split up in 2001, but reunited from 2005 to 2007 for a few festival dates and brief US tours, and again reunited in 2013 to 2014. Emperor reformed for the third time in 2016. The group was founded by Ihsahn (guitar/vocal) and Samoth (then, drums).

Full Wikipedia article: https://en.wikipedia.org/wiki/Emperor_(band)

Studio albums
In the Nightside Eclipse (1994)
Anthems to the Welkin at Dusk (1997)
IX Equilibrium (1999)
Prometheus: The Discipline of Fire & Demise (2001)
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2) Emperor, real name Conor Corrigan, is a drum 'n' bass and dubstep DJ from Halifax, UK. Emperor has proven himself with some heavyweight releases on Critical, Symmetry, Inspected, Neosignal, Ammunition, VISION, Blackout Music NL, and some exquisite Dubstep gems on the Caliber label. Emperor teamed-up with Mefjus, and unleashed their unstoppable "Hello World EP" which sky-rocketed them to the heights of the Drum & Bass scene, with the acclaimed 'Void Main Void' and 'Disrupted'. He has also made official remixes for artists like Black Sun Empire, IMANU, and Annix. His side project is MONUMAN.