| "Hydra" may be referring to two or more different villains. If you're uncertain which one you're looking for, just flip a coin.|
If you came here from a link, please go back and make the right link for one of the villains listed below.
- Hydra (Disney) - Disney's take on the mythological monster
- Hydra (God Of War) - a boss battle in original God Of War
- HYDRA (Marvel Cinematic Universe) - HYDRA from the marvel cinematic universe.
- HYDRA - Marvel comics terrorist organization
- Hydra (Percy Jackson) - Percy Jackson's take on the mythological monster