Created by writer Jun R. De Leon and illustrator Jimmy D. Flores, this crime-fighting kaiju appeared in 1993 in the pages of Super Heroes Comix, published by Graphic Arts Service Inc.
In this strip from issue #21 (December 12, 1993), Goodzilla fights the 12-foot cyborg villain Silverman.
I wonder if he had an evil twin named Badzilla? Probably.