Matt Strackbein is the writer and artist behind the "brief history" back-up features, which explore various characters in the Hellboy Universe. To date he's done four:
- Kill the Black Flame (in B.P.R.D.: Hell on Earth—End of Days #1)
- Varvara: That Evil Little Russian Girl (in B.P.R.D.: Hell on Earth—Cometh the Hour #2)
- Who the Hell Is Lady Cynthia? (in Hellboy and the B.P.R.D.: 1954—Ghost Moon #2)
- The Endless Mystery (in B.P.R.D.: The Devil You Know—Messiah #3)
Strackbein is also a frequent guest on the Hellboy Book Club podcast.
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