The [[GBZ80]] (Sharp SM83) that powers the original [[Nintendo GameBoy]] is an in-between the [[Intel 8080]] and Z80. [https://gbdev.io/pandocs/CPU_Comparison_with_Z80.html Source]
The [[KC Compact]] uses the U880, which is an unlicensed clone of the Z80 manufactured by MME. It was the most widely used microprocessor in the German Democratic Republic. [https://en.wikipedia.org/wiki/U880 Source]
The ASCII [[R800]] that powers the MSX TurboR is a seriously beefed up version of the Z80: