In Wagner's Ring Cycle, this Norse god is known as Donner
.... of fire as a symbol is the very 
last scene of the entire opera cycle: in Gotterdammerung, Brunnhilde ... a simple 
weapon of war belonging to the god Donner, and the second as the object 
Donner uses to... [DOC] [TLE] Der Ring des Nibelungen | music dramas by Wagner | Britannica.com [PAR] Apr 4, 2016 ... Wagner had long been interested in early Norse and German heroic poetry, 
including ... Der Ring des Nibelungen, or the Ring cycle, is an unsurpassed 
exaltation of ... of the cycle, drew some of the best-known musical figures of the 
age, ... a Nibelung (bass-baritone); Donner, god of thunder (bass-baritone)... [DOC] [TLE] The Ring Cycle and Norse Mythology | Il Dolce Suono [PAR] Apr 9, 2013 ...