Gray Man (Character) - Comic Vine

Servant of the Lords of Order he is able to extract the dream essence from any person, living or dead.

D.Gray-Man (Volume) - Comic Vine

Comet Man (Character) - Comic Vine

X-Man (Character) - Comic Vine

The Gray Man: Main Characters Ranked By Likability

Batman 1000000 (Character) - Comic Vine

D.Gray-Man (Volume) - Comic Vine

X-Man is an Omega-level mutant genetically created by Mr. Sinister

Colossus (Character) - Comic Vine

Was Superman the first superhero featured in comic books? - Quora