| "Viper" 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.
- Black Viper
- Dr. Viper
- Madame Viper
- Madame Viper (X-Men Movies)
- Viper (Doomsday)
- Viper (Keroro)
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