Nightmare

José Ortiz was one of the few artists who had work appear in both the original Eagle of the 1960s and the Mk2 version in the 1980s. This is from the 17th December 1983 issue. More info about JO here.

Nightmare Planet

I don't mean to sound flippant, but I think Brian Lewis would have become a big star if he hadn't kicked the bucket when he did. 2000AD would have been a great showcase for his work. This is from 2000AD 22nd April 1978.