Frankenstein is a fictional character appearing in American comic books published by DC Comics. He is based on the Frankenstein's monster character created by Mary Shelley.
DC's Frankenstein, art from Seven Soldiers: Frankenstein #2 by Doug Mahnke.
The Phantom Stranger is a superhero appearing in American comic books published by DC Comics, of unspecified paranormal origins, who battles mysterious and occult forces, sometimes under their Vertigo imprint. The character first appeared in an eponymous comics anthology published in August/September 1952.
Cover of The Phantom Stranger (vol. 4) #4 (January 2013), art by Ethan Van Sciver.