The best replacement for king diamond is gene simmons.

The best alternatives to king diamond are rated as following:
★★★★★  gene simmons
★★★★★  mercyful fate
★★  rob halford
★  alice cooper
  geoff tate
  neil diamond

Your alternative for king diamond is not listed? Suggest!
Speaking about king diamond, one probably shouldn't forget about metallica.

Other search terms related to king diamond and their ratings are:
★★★★★ metallica
★ volbeat
You have in mind a companion for king diamond and it is not yet here? Propose!



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king diamond
gene simmons
mercyful fate