The symbol itself was heavily changed to look more like characters of an extraterrestrial ... iconic as a Superman suit. While comics and adaptations of DC continue to experiment with new designs ...

Along the way, GI Robot met several key DC Comics heroes and villains, teasing a handful of characters that inhabit ... it’s possible to identify the symbol for the six metals the doctor gifts ...

Fawcett argued that although these two characters were ... the "Superman" comics, had forgotten to place these symbols on several of their strips and argued that DC had no copyright to "Superman ...