- Poisonous Tongue
The user possesses a tongue that is coated with or can secrete natural venom, which can extend to the victim when said victim is touched. The poison can have a variety of effects, ranging from sedation, paralysis, and instant death.
- Silurians/Homo Reptilia (Doctor Who)
- Ka D'Argo (Farscape)
- Lady Viper (The Wolverine)