What comic publisher features characters such as Blue Devil and Firestorm?
DC Comics
Title: Blue Devil
Passage: Blue Devil (Dan Cassidy) is a fictional character, a superhero featured in material published by DC Comics.  He first appeared in a special insert published in "Fury of Firestorm" #24 (June 1984).  That story led directly into "Blue Devil" #1, also cover dated June 1984.  He was created by Dan Mishkin, Gary Cohn, and Paris Cullins.  The Blue Devil comic book ran for 32 issues with Blue Devil later appearing as a regular character in "Shadowpact" that ran for 25 issues.
Title: Firestorm (comics)
Passage: Firestorm is the name of several fictional superheroes appearing in American comic books published by DC Comics.  Ronnie Raymond and Martin Stein debuted as the first incarnation in "Firestorm, the Nuclear Man" No. 1 (March 1978) and was created by Gerry Conway and Al Milgrom.  Jason Rusch debuted as a modern update of the character in "Firestorm" vol.  3 No. 1, (July 2004), and was created by Dan Jolley and Chris Cross.
Title: Oktomica Comics
Passage: Oktomica Comics is a short-lived comic publisher published three series between 1998 and 1999: "Virtex", "The Wonderlanders" and "Wisp".  All three series were created by Casey Lau and Jeff Kwan with scripting assistance from such comic professionals as Mike Baron, Pat Mills and Tom and Mary Bierbaum.
Firestorm (comics) Blue Devil