- "Mmm, lovely mutagen. So good."
- ― Dr. N. Brio (Crash: Mind Over Mutant)
The user can develop various powers from being exposed to mutagenic substances, possibly including supernatural powers.
- Certain mutagens may result in physical deformity.
- May lose control of oneself.
- Exposure to mutagenic substance may cause unwanted effects.
- Inhumans (Marvel Comics)
- Mutants (Teenage Mutant Ninja Turtles)
- The Powerpuff Girls (The Powerpuff Girls)
- Cloud Strife (Compilation of Final Fantasy VII)
- Doctor Viper (Swat Kats: The Radical Squadron)
- Mutates (Gargoyles)
- Toa Hordika (Bionicle)
- Gaardus (Bionicle)
- Brutaka (Bionicle)
- Mohinder Suresh (Heroes)
- Dark Samus (Metroid)
- Members of the 4400 (The 4400)
- Cursed Seal Users (Naruto)
- Witchers (The Witcher)
- Dr. N. Brio (Crash Bandicoot series)
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