Ernst Name Meaning. German and Dutch: from the personal name Ernst, which is most probably a byname from Middle High German and Middle Dutch ern(e)st 'combat', 'serious business'. However, see Ernest. Jewish (Ashkenazic): nickname or ornamental from German ernst 'earnest', 'serious'.
The name Gunther is a German baby name. In German the meaning of the name Gunther is: Battler, warrior. From an Old German name meaning war or battle.