Chicago Sun-Times: Hellboy
- Roger Ebert's review.
- http://rogerebert.suntimes.com/apps/pbcs.dll/article?AID=/20040402/REVIEWS/404020301/1023

Flipside Movie Emporium: Hellboy
- Mixed review by Rob Vaux.
- http://www.flipsidemovies.com/hellboy.html

DailyCollage.com: Hellboy
- Original free wallpapers (1024x768 and 800x600).
- http://www.dailycollage.com/category/movies/hellboy/

Future Movies: Hellboy
- Review by Adrian Mackinder.
- http://www.futuremovies.co.uk/review.asp?ID=223

CIN3MA: Hellboy
- Review by Keyser Soze with rating and pictures.
- http://www.cin3ma.tv/moving_pictures/reviews/h/hellboy.shtml

Rotten Tomatoes: Hellboy
- Reviews, multimedia, and forum.
- http://www.rottentomatoes.com/m/hellboy/

IMDb: Hellboy (2004)
- Plot summary, trailer, cast and crew information, user reviews, and message board.
- http://www.imdb.com/title/tt0167190/

HARO Online: Hellboy
- Review and pictures.
- http://www.haro-online.com/movies/hellboy.html