In life, Ozzy Osbourne was dubbed “The Prince of Darkness”. And as word of his death Tuesday spread, rock’s royalty bade farewell to the irrepressible Black Sabbath singer.“He was a dear friend and a huge trailblazer who secured his place in the pantheon of rock gods — a true legend,” Elton John posted on Instagram. “He was also one of the funniest people I’ve ever met.”