Who created the fictional character that became the star of the War is Hell series in issue #9?
Death (Marvel Comics) Death is a fictional character appearing in American comic books published by Marvel Comics. The character is based on the personification of death. The character first appeared in "Captain Marvel" #26 (Jun. 1973) and was created by Mike Friedrich and Jim Starlin.
Hellboy Universe The Hellboy Universe is the fictional universe of the Hellboy comic and its various spin-offs, created by Mike Mignola. Its first appearance was in a black-and-white, four-page promotional comic by Mike Mignola with a script by John Byrne published by Dark Horse Comics in "San Diego Comic-Con Comics #2" (19 August 1993), distributed at the San Diego Comic-Con. There are currently 69 trades and 3 OGNs in the series.