Krypton.

[dto]

Perhaps the Superman and Supergirl of Earth-D (seen in "Legends of the DC Universe #1: Crisis on Infinite Earths, The Untold Story") came from their Krypton's Vathlo Island?

[Super Monkey]

Perhaps the Superman and Supergirl of Earth-D (seen in "Legends of the DC Universe #1: Crisis on Infinite Earths, The Untold Story") came from their Krypton's Vathlo Island?

or their Krypton's Vathlo Island had white people


I wished they would had done more with Vathlo Island.

Grant Morrison did however introduced his own black Superman called Sunshine Superman from a lost pre-crisis Earth which had hippy versions of heroes. This happen in Animal Man.

Sunshine Superman made a cameo in IC.

[RedSunOfKrypton]

I actually consider the Kryptonian's internuclear bonds to be strengthened under a yellow sun, and no reall increase in MASS at all. (I know that's contradicting Maggin, but it doesn't fit all those times Superman lost his memory, etc. and didn't sink through the Earth.  Or Beppo. Or any Kryptonian object.) However, it may be the same abilities that allow him to fly allows him to control INERTIA---i.e., when something slams into him he can "turn up" the intertia so it's LIKE he weighed ten tons.

Again, my theory only. BTW, the internuclear bonds being strengthened is stolen from Larry Niven's idea about the Puppeteer's impenetrable hulls.

---Al

This is also like the photonucleic effect, which was written by Maggin.